4 letter words:
zori13,
roky11,
yirk11,
york11,
grok9,
gory8,
gyri8,
gyro8,
orgy8,
yogi8,
giro5,
gori5,
3 letter words:
zig13,
riz12,
yok10,
goy7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
ygo7,
gio4,
gor4,
rig4,
2 letter words:
zo11,
ky9,
ki6,
ko6,
oy5,
yo5,
gi3,
go3,
io2,
oi2,
or2,