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The following words can be composed of the letters: y, a, w, s

4-letter words (3)

sway (10)ways (10)yaws (10)

3-letter words (6)

ays (6)saw (6)say (6)was (6)way (9)yaw (9)

2-letter words (4)

as (2)aw (5)ay (5)ya (5)