7 letter words
BLOCKER​15
6 letter words
LOCKER​12
CORBEL​10
RELOCK​12
5 letter words (14 words)
BLOCK​13
CLERK​11
BROKE​11
BROCK​13
BLOKE​11
BOREL​7
COBLE​9
ROBLE​7
CLOKE​11
OCKER​11
BLORE​7
BERKO​11
CEORL​7
CORBE​9
4 letter words (28 words)
ROCK​10
ROLE​4
CORE​6
LOCK​10
COLE​6
CORK​10
BECK​12
BORE​6
COKE​10
ROBE​6
BLOC​8
LORE​4
LOBE​6
BOCK​12
BORK​10
BERK​10
KORE​8
KERB​10
BOLE​6
KERO​8
3 letter words (30 words)
ROB​5
REC​5
ECO​5
COL​5
ELK​7
COR​5
OLE​3
ORE​3
BEL​5
BRO​5
ROE​3
ROC​5
LOB​5
ORB​5
CEL​5
ORC​5
REB​5
COB​7
REO​3
ROK​7
2 letter words (11 words)
OR​2
BE​4
RE​2
OK​6
EL​2
LO​2
ER​2
OE​2
BO​4
KO​6
OB​4