--- 
:transforms: 
  - 
    :direction: forward
    :rules: 
      - "$Boundary =  [^[:L:][:M:][:N:]];"
      - "$Vowel = [i e o u a];"
      - "::es-es_FONIPA;"
      - "$Boundary [^Vowel] {e} [^$Vowel]* $Vowel > ə;"
      - "::und_FONIPA-fa;"
    :source: es
    :target: fa
    :variant: ~