--- 
:cy: 
  :territories: 
    :ac: "Ynys Ascension"
    :ad: "Andorra"
    :ae: "Emiradau Arabaidd Unedig"
    :af: "Afghanistan"
    :ag: "Antigua a Barbuda"
    :ai: "Anguilla"
    :al: "Albania"
    :am: "Armenia"
    :an: "Ynysoedd Caribî yr Iseldiroedd"
    :ao: "Angola"
    :aq: "Antarctica"
    :ar: "Yr Ariannin"
    :as: "Samoa America"
    :at: "Awstria"
    :au: "Awstralia"
    :aw: "Aruba"
    :ax: "Ynysoedd Åland"
    :az: "Azerbaijan"
    :ba: "Bosnia a Hercegovina"
    :bb: "Barbados"
    :bd: "Bangladesh"
    :be: "Gwlad Belg"
    :bf: "Burkina Faso"
    :bg: "Bwlgaria"
    :bh: "Bahrain"
    :bi: "Burundi"
    :bj: "Benin"
    :bl: "Saint Barthélemy"
    :bm: "Bermuda"
    :bn: "Brunei"
    :bo: "Bolifia"
    :bq: "Antilles yr Iseldiroedd"
    :br: "Brasil"
    :bs: "Y Bahamas"
    :bt: "Bhutan"
    :bv: "Ynys Bouvet"
    :bw: "Botswana"
    :by: "Belarws"
    :bz: "Belize"
    :ca: "Canada"
    :cc: "Ynysoedd Cocos (Keeling)"
    :cd: "y Congo (G.Dd.C.)"
    :cf: "Gweriniaeth Canolbarth Affrica"
    :cg: "Y Congo (Gweriniaeth)"
    :ch: "Y Swistir"
    :ci: "Côte d’Ivoire"
    :ck: "Ynysoedd Cook"
    :cl: "Chile"
    :cm: "Camerŵn"
    :cn: "Tsieina"
    :co: "Colombia"
    :cp: "Ynys Clipperton"
    :cr: "Costa Rica"
    :cu: "Ciwba"
    :cv: "Cabo Verde"
    :cw: "Curaçao"
    :cx: "Ynys y Nadolig"
    :cy: "Cyprus"
    :cz: "Gweriniaeth Tsiec"
    :de: "Yr Almaen"
    :dg: "Diego Garcia"
    :dj: "Djibouti"
    :dk: "Denmarc"
    :dm: "Dominica"
    :do: "Gweriniaeth Dominica"
    :dz: "Algeria"
    :ea: "Ceuta a Melilla"
    :ec: "Ecuador"
    :ee: "Estonia"
    :eg: "Yr Aifft"
    :eh: "Gorllewin Sahara"
    :er: "Eritrea"
    :es: "Sbaen"
    :et: "Ethiopia"
    :eu: "Yr Undeb Ewropeaidd"
    :fi: "Y Ffindir"
    :fj: "Fiji"
    :fk: "Ynysoedd y Falkland (Ynysoedd y Malfinas)"
    :fm: "Micronesia"
    :fo: "Føroyar"
    :fr: "Ffrainc"
    :ga: "Gabon"
    :gb: "DU"
    :gd: "Grenada"
    :ge: "Georgia"
    :gf: "Guyane Ffrengig"
    :gg: "Ynys y Garn"
    :gh: "Ghana"
    :gi: "Gibraltar"
    :gl: "Yr Ynys Las"
    :gm: "Gambia"
    :gn: "Guinée"
    :gp: "Guadeloupe"
    :gq: "Guinea Gyhydeddol"
    :gr: "Gwlad Groeg"
    :gs: "De Georgia ac Ynysoedd Sandwich y De"
    :gt: "Guatemala"
    :gu: "Guam"
    :gw: "Guiné-Bissau"
    :gy: "Guyana"
    :hk: "Hong Kong"
    :hm: "Ynys Heard ac Ynysoedd McDonald"
    :hn: "Honduras"
    :hr: "Croatia"
    :ht: "Haiti"
    :hu: "Hwngari"
    :ic: "Yr Ynysoedd Dedwydd"
    :id: "Indonesia"
    :ie: "Iwerddon"
    :il: "Israel"
    :im: "Ynys Manaw"
    :in: "India"
    :io: "Tiriogaeth Brydeinig Cefnfor India"
    :iq: "Irac"
    :ir: "Iran"
    :is: "Gwlad yr Iâ"
    :it: "Yr Eidal"
    :je: "Jersey"
    :jm: "Jamaica"
    :jo: "Gwlad Iorddonen"
    :jp: "Japan"
    :ke: "Kenya"
    :kg: "Kyrgyzstan"
    :kh: "Cambodia"
    :ki: "Kiribati"
    :km: "Comoros"
    :kn: "Saint Kitts a Nevis"
    :kp: "Gogledd Korea"
    :kr: "De Korea"
    :kw: "Kuwait"
    :ky: "Ynysoedd Cayman"
    :kz: "Kazakstan"
    :la: "Laos"
    :lb: "Libanus"
    :lc: "Saint Lucia"
    :li: "Liechtenstein"
    :lk: "Sri Lanka"
    :lr: "Liberia"
    :ls: "Lesotho"
    :lt: "Lithuania"
    :lu: "Lwcsembwrg"
    :lv: "Latfia"
    :ly: "Libya"
    :ma: "Moroco"
    :mc: "Monaco"
    :md: "Moldofa"
    :me: "Montenegro"
    :mf: "Saint Martin"
    :mg: "Madagascar"
    :mh: "Ynysoedd Marshall"
    :mk: "Macedonia (CWIM)"
    :ml: "Mali"
    :mm: "Myanmar (Burma)"
    :mn: "Mongolia"
    :mo: "Macau"
    :mp: "Ynysoedd Gogledd Mariana"
    :mq: "Martinique"
    :mr: "Mauritania"
    :ms: "Montserrat"
    :mt: "Malta"
    :mu: "Mauritius"
    :mv: "Y Maldives"
    :mw: "Malawi"
    :mx: "Mecsico"
    :my: "Malaysia"
    :mz: "Mozambique"
    :na: "Namibia"
    :nc: "Caledonia Newydd"
    :ne: "Niger"
    :nf: "Ynys Norfolk"
    :ng: "Nigeria"
    :ni: "Nicaragua"
    :nl: "Yr Iseldiroedd"
    ? !ruby/symbol "no"
    : "Norwy"
    :np: "Nepal"
    :nr: "Nauru"
    :nu: "Niue"
    :nz: "Seland Newydd"
    :om: "Oman"
    :pa: "Panama"
    :pe: "Periw"
    :pf: "Polynesia Ffrengig"
    :pg: "Papua Guinea Newydd"
    :ph: "Pilipinas"
    :pk: "Pakistan"
    :pl: "Gwlad Pwyl"
    :pm: "Saint-Pierre-et-Miquelon"
    :pn: "Ynysoedd Pitcairn"
    :pr: "Puerto Rico"
    :ps: "Palesteina"
    :pt: "Portiwgal"
    :pw: "Palau"
    :py: "Paraguay"
    :qa: "Qatar"
    :qo: "Oceania Bellennig"
    :re: "Réunion"
    :ro: "Rwmania"
    :rs: "Serbia"
    :ru: "Rwsia"
    :rw: "Rwanda"
    :sa: "Saudi Arabia"
    :sb: "Ynysoedd Solomon"
    :sc: "Seychelles"
    :sd: "Swdan"
    :se: "Sweden"
    :sg: "Singapore"
    :sh: "Saint Helena"
    :si: "Slofenia"
    :sj: "Svalbard a Jan Mayen"
    :sk: "Slofacia"
    :sl: "Sierra Leone"
    :sm: "San Marino"
    :sn: "Sénégal"
    :so: "Somalia"
    :sr: "Suriname"
    :ss: "De Swdan"
    :st: "São Tomé a Príncipe"
    :sv: "El Salvador"
    :sx: "Sint Maarten"
    :sy: "Syria"
    :sz: "Gwlad Swazi"
    :ta: "Tristan da Cunha"
    :tc: "Ynysoedd Turks a Caicos"
    :td: "Tchad"
    :tf: "Tiroedd Deheuol ac Antarctig Ffrainc"
    :tg: "Togo"
    :th: "Gwlad Thai"
    :tj: "Tajikistan"
    :tk: "Tokelau"
    :tl: "Dwyrain Timor"
    :tm: "Turkmenistan"
    :tn: "Tunisia"
    :to: "Tonga"
    :tr: "Twrci"
    :tt: "Trinidad a Tobago"
    :tv: "Tuvalu"
    :tw: "Taiwan"
    :tz: "Tanzania"
    :ua: "Wcráin"
    :ug: "Uganda"
    :um: "Ynysoedd Pellennig UDA"
    :us: "UDA"
    :uy: "Uruguay"
    :uz: "Uzbekistan"
    :va: "Y Fatican"
    :vc: "Saint Vincent a’r Grenadines"
    :ve: "Venezuela"
    :vg: "Ynysoedd Gwyryf Prydain"
    :vi: "Ynysoedd Gwyryf yr Unol Daleithiau"
    :vn: "Fietnam"
    :vu: "Vanuatu"
    :wf: "Wallis a Futuna"
    :ws: "Samoa"
    :xk: "Kosovo"
    :ye: "Yemen"
    :yt: "Mayotte"
    :za: "De Affrica"
    :zm: "Zambia"
    :zw: "Zimbabwe"
    :zz: "Rhanbarth Anhysbys"