8 letter words:
knapsack20,
7 letter words:
kanakas15,
6 letter words:
knacks16,
kanaka14,
5 letter words:
knack15,
pakka15,
akkas13,
kakas13,
packs13,
skank13,
kapas11,
knaps11,
snack11,
spank11,
capas9,
kanas9,
pacas9,
scapa9,
napas7,
sapan7,
asana5,
4 letter words:
kaka12,
kaks12,
pack12,
cask10,
kapa10,
knap10,
sack10,
capa8,
caps8,
kaas8,
kana8,
kans8,
paca8,
pacs8,
sank8,
caas6,
cans6,
casa6,
napa6,
naps6,
pans6,
scan6,
snap6,
span6,
anas4,
ansa4,
3 letter words:
kak11,
aka7,
ask7,
cap7,
kas7,
pac7,
ska7,
asp5,
caa5,
can5,
nap5,
pan5,
pas5,
sac5,
sap5,
spa5,
aas3,
ana3,
nas3,
san3,
2 letter words:
ka6,
pa4,
aa2,
an2,
as2,
na2,