Unscrambling VALUABLE gives 58 words. VALUABLE is the longest, and VALUABLE scores the most at 13 points.
No other single word uses all 8 letters of VALUABLE. VALUABLE has 8 letters: 4 vowels and 4 consonants, worth 13 points before any board bonuses.
8-letter words 1
6-letter words 2
alulae6bullae8
5-letter words 5
alula5bulla7label7uveal8value8
4-letter words 22
able6alae4alba6baal6bael6bale6ball6beau6bell6blae6blue6bull6lava7lave7leal4leva7lube6ulva7uvea7vale7veal7vela7
3-letter words 20
aal3aba5ala3alb5ale3all3ava6ave6baa5bal5bel5eau3ell3lab5lav6lea3leu3lev6luv6vau6
2-letter words 8
aa2ab4ae2al2ba4be4el2la2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.