4 letters
- ulna7
- ulus7
- ulva10
- unto6
- upas8
- ursa5
- utas5
- vast8
- vats8
- vatu9
- vaus9
- vaws11
- volt9
- vows11
- wabs10
- wack14
- wads8
- waes7
- waft10
- wags9
- wail8
- wait7
- wake11
- wale8
- walk12
- wall9
- waly10
- wans8
- want8
- waps10
- wark11
- wars7
- wart7
- wash9
- wasp10
- wast7
- wats7
- watt7
- wauk12
- waul9
- waur8
- wawl11
- waws10
- ways9
- weak11
- weal8
- weka11
- welt8
- west7
- wets7
- what9
- whoa9
- wilt8
- wist7
- wits7
- woad8
- woes7
- wogs9
- woke11
- woks11
- wold9
- wolf11
- wonk12
- wons8
- wont8
- wool8
- woos7
- wops10
- work11
- wort7
- wost7
- wots7
- wows10
- wuss8
- yaks10
- yawl10
- yaws9
- yoks10
- yolk11
- yowl10
- yows9
- yuks11