7 letter words
TIGHTER​11
6 letter words
HITTER​9
THETRI​9
TITHER​9
5 letter words (13 words)
THEIR​8
RIGHT​9
EIGHT​9
TIGHT​9
TIGER​6
TITRE​5
GIRTH​9
TITHE​8
TRITE​5
TITER​5
ITHER​8
GRITH​9
TETRI​5
4 letter words (20 words)
HIRE​7
TIRE​4
TIER​4
RITE​4
HEIR​7
GRIT​5
TRIG​5
GERT​5
TITE​4
GITE​5
TRIE​4
GIRT​5
THIR​7
TIGE​5
RITT​4
THIG​8
GEIT​5
TEHR​7
TETH​7
TRET​4
3 letter words (24 words)
GET​4
HER​6
HIT​6
REG​4
TIE​3
TIT​3
HET​6
RET​3
GER​4
RIG​4
REI​3
IRE​3
GIT​4
ETH​6
TIG​4
TET​3
RIT​3
ERG​4
GHI​7
TEG​4
2 letter words (10 words)
IT​2
HE​5
RE​2
ET​2
HI​5
ER​2
TE​2
GI​3
TI​2
EH​5