6 letter words:
necker12,
kernel10,
crenel8,
5 letter words:
cleek11,
clerk11,
creek11,
kerne9,
kneel9,
creel7,
4 letter words:
neck10,
reck10,
keel8,
keen8,
kern8,
knee8,
leek8,
leke8,
reek8,
cere6,
erne4,
leer4,
reel4,
3 letter words:
eek7,
eke7,
elk7,
ken7,
lek7,
cee5,
cel5,
rec5,
eel3,
ere3,
ern3,
lee3,
nee3,
ree3,
2 letter words:
el2,
en2,
er2,
ne2,
re2,