7 letter words:
eirenic9,
6 letter words:
irenic8,
5 letter words:
curie7,
icier7,
incur7,
nicer7,
niece7,
ricin7,
runic7,
ureic7,
enure5,
inure5,
urine5,
4 letter words:
zinc15,
zein13,
zine13,
cere6,
cine6,
cire6,
cure6,
curn6,
ecru6,
nice6,
rice6,
unci6,
uric6,
erne4,
rein4,
ruin4,
rune4,
3 letter words:
zee12,
zin12,
cee5,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
ere3,
ern3,
ire3,
nee3,
ree3,
rei3,
rin3,
rue3,
run3,
urn3,
2 letter words:
en2,
er2,
in2,
ne2,
nu2,
re2,
un2,