6 letter words
TENNIS​6
SENNIT​6
SINNET​6
5 letter words (9 words)
STEIN​5
INSET​5
NINES​5
TINES​5
NITES​5
TEINS​5
SENTI​5
SIENT​5
NEIST​5
4 letter words (20 words)
SITE​4
SENT​4
NINE​4
TIES​4
INNS​4
NEST​4
NETS​4
TENS​4
NITE​4
SINE​4
TINS​4
ENTS​4
TINE​4
TEIN​4
NITS​4
NIES​4
STEN​4
SNIT​4
SIEN​4
STIE​4
3 letter words (19 words)
ITS​3
SET​3
NET​3
INN​3
EST​3
TEN​3
SIT​3
SIN​3
TIE​3
INS​3
TIN​3
SEN​3
TIS​3
NIS​3
NIE​3
TES​3
SEI​3
NIT​3
ENS​3
2 letter words (11 words)
IN​2
IS​2
IT​2
ET​2
ST​2
EN​2
NE​2
ES​2
SI​2
TE​2
TI​2