>>> from words import suffix >>> suffix('So you think you can tell heaven from hell', 'ell') ['hell', 'tell'] >>> suffix('But they sent me away to teach me how to be sensible logical responsible practical and they showed me a world where I could be so dependable clinical intellectual cynical', 'al') ['clinical', 'cynical', 'intellectual', 'logical', 'practical'] >>> suffix('But they sent me away to teach me how to be sensible logical responsible practical and they showed me a world where I could be so dependable clinical intellectual cynical', 'ble') ['dependable', 'responsible', 'sensible'] >>> suffix('The answer my friend is blowing in the wind', 'ing') ['blowing']