7 letter words:
runanga8,
6 letter words:
kurgan11,
anuran6,
5 letter words:
kanga10,
krang10,
knaur9,
argan6,
grana6,
guana6,
ngana6,
nanua5,
ruana5,
4 letter words:
gunk9,
kagu9,
kang9,
knag9,
arak8,
kana8,
kara8,
karn8,
knar8,
knur8,
kuna8,
nark8,
raku8,
rank8,
agar5,
anga5,
gaun5,
gaur5,
gnar5,
gran5,
guan5,
guar5,
gurn5,
naga5,
raga5,
rang5,
ruga5,
rung5,
anan4,
anna4,
arna4,
aura4,
naan4,
nana4,
rana4,
raun4,
3 letter words:
aka7,
ark7,
auk7,
aga4,
gan4,
gar4,
gau4,
gnu4,
gun4,
gur4,
nag4,
rag4,
rug4,
ana3,
ann3,
aua3,
nan3,
nun3,
nur3,
ran3,
run3,
urn3,
2 letter words:
ka6,
ag3,
gu3,
ug3,
aa2,
an2,
ar2,
na2,
nu2,
un2,
ur2,