4 letter words:
mick12,
muck12,
guck11,
mirk10,
murk10,
rick10,
ruck10,
crim8,
kuri8,
grim7,
grum7,
miri6,
muir6,
rimu6,
uric6,
3 letter words:
ick9,
cum7,
irk7,
kir7,
mic7,
cig6,
gum6,
mig6,
mug6,
cru5,
cur5,
mir5,
rim5,
ruc5,
rum5,
gur4,
rig4,
rug4,
2 letter words:
ki6,
mi4,
mu4,
um4,
gi3,
gu3,
ug3,
ur2,