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# Isogram

Determine if a word or phrase is an isogram.

An isogram (also known as a "nonpattern word") is a word or phrase without a repeating letter, however spaces and hyphens are allowed to appear multiple times.

Examples of isograms:

- lumberjacks
- background
- downstream
- six-year-old

The word *isograms*, however, is not an isogram, because the s repeats.

## Testing Exercises

If you followed the [installation instructions](http://exercism.io/languages/factor/installing), just run the provided test suite against your implementation with `"exercise-name" test`.

## Submitting Exercises

Note that, when trying to submit an exercise, make sure the solution is in the `exercism/factor/exercise-name` directory.

For example, if you're submitting `bob.factor` for the Bob exercise, the submit command would be something like `exercism submit exercism/factor/bob/bob.factor`.

For more detailed information about running tests, code style and linting,
please see the [help page](http://exercism.io/languages/factor).
## Source

Wikipedia [https://en.wikipedia.org/wiki/Isogram](https://en.wikipedia.org/wiki/Isogram)

## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

Version data entries

74 entries across 74 versions & 1 rubygems

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trackler-2.2.1.180 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.179 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.178 tracks/factor/exercises/isogram/README.md
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trackler-2.2.1.176 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.175 tracks/factor/exercises/isogram/README.md
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trackler-2.2.1.173 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.172 tracks/factor/exercises/isogram/README.md
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trackler-2.2.1.170 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.169 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.167 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.166 tracks/factor/exercises/isogram/README.md
trackler-2.2.1.165 tracks/factor/exercises/isogram/README.md
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trackler-2.2.1.160 tracks/factor/exercises/isogram/README.md