7 letter words
ENSUING​8
GUNNIES​8
INGENUS​8
6 letter words (4 words)
GENIUS​7
ENSIGN​7
ENNUIS​6
INGENU​7
5 letter words (10 words)
USING​6
GENUS​6
SUING​6
GUISE​6
NINES​5
ENNUI​5
SINGE​6
NEGUS​6
SEGNI​6
SENGI​6
4 letter words (28 words)
SIGN​5
NINE​4
GUNS​5
SING​5
INNS​4
SUNG​5
SINE​4
NUNS​4
GNUS​5
SNUG​5
UNIS​4
INGS​5
GENS​5
NIES​4
GIES​5
GINN​5
GINS​5
SUNN​4
SUNI​4
GIEN​5
3 letter words (32 words)
USE​3
SUN​3
INN​3
GNU​4
GUN​4
SIN​3
ING​4
ENG​4
SUE​3
INS​3
GEN​4
GIS​4
SIG​4
UNI​3
SEN​3
GIN​4
NIS​3
GUS​4
NIE​3
NEG​4
2 letter words (12 words)
IN​2
IS​2
US​2
EN​2
UN​2
NE​2
ES​2
SI​2
GI​3
NU​2
UG​3
GU​3