BUSED is a playable word

bus Scrabble® Dictionary

verb
bused, busing, buses or bussed, bussing, busses
to transport by bus (a large motor vehicle)
25 Playable Words can be made from "BUSED"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)