Unscramble BACKTR into words.

brack estimated tile points: 13 track estimated tile points: 11 bract estimated tile points: 9

back estimated tile points: 12 bark estimated tile points: 10 cark estimated tile points: 10 rack estimated tile points: 10 tack estimated tile points: 10 crab estimated tile points: 8 bart estimated tile points: 6 brat estimated tile points: 6 cart estimated tile points: 6

tck estimated tile points: 9 ark estimated tile points: 7 bac estimated tile points: 7 cab estimated tile points: 7 kat estimated tile points: 7 kra estimated tile points: 7 act estimated tile points: 5 arc estimated tile points: 5 bar estimated tile points: 5 bat estimated tile points: 5 bra estimated tile points: 5 car estimated tile points: 5 cat estimated tile points: 5 rab estimated tile points: 5 tab estimated tile points: 5 art estimated tile points: 3 rat estimated tile points: 3 tar estimated tile points: 3 tra estimated tile points: 3