6 letter words
CRINGE​9
CERING​9
5 letter words (8 words)
REIGN​6
NICER​7
GRICE​8
ERING​6
GENIC​8
GREIN​6
CRINE​7
RENIG​6
4 letter words (13 words)
NICE​6
RING​5
ERIC​6
RICE​6
GRIN​5
CINE​6
REIN​4
GREN​5
ICER​6
GIEN​5
RINE​4
CIRE​6
GIRN​5
3 letter words (19 words)
ICE​5
ING​4
REG​4
ENG​4
GEN​4
REC​5
GER​4
RIG​4
REI​3
REN​3
GIN​4
IRE​3
NIE​3
NEG​4
RIN​3
ERN​3
ERG​4
CIG​6
GIE​4
2 letter words (6 words)
IN​2
RE​2
EN​2
NE​2
ER​2
GI​3