NYSIIS not correctly coding "AY" names

[jaraco]

Originally reported by: Christopher Roudiez (Bitbucket: croudiez, GitHub: croudiez)

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The key-value pair 'AY': 'Y' is included in the _nysiis_transforms dict. It should be in the _nysiis_suffix_map dict. This bug causes any string with a "Y" following a vowel to be miscoded. For example

• FLOYD -> FLYD (should be FLAD)

• SEYMOUR -> SYNAR (should be SANAR)

etc

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• Bitbucket: https://bitbucket.org/yougov/fuzzy/issue/8