5 letter words:
kirby14,
porky14,
4 letter words:
kybo13,
poky13,
roky11,
yirk11,
york11,
birk10,
bork10,
brik10,
pork10,
orby9,
pioy9,
pory9,
pyro9,
ropy9,
yorp9,
prob8,
biro6,
brio6,
3 letter words:
yok10,
bok9,
kip9,
kob9,
kop9,
boy8,
pry8,
yip8,
yob8,
bop7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
bio5,
boi5,
bor5,
bro5,
obi5,
orb5,
pir5,
poi5,
pro5,
rib5,
rip5,
rob5,
2 letter words:
ky9,
by7,
ki6,
ko6,
oy5,
yo5,
bi4,
bo4,
ob4,
op4,
pi4,
po4,
io2,
oi2,
or2,