-ana -ane -ene -one aaaa aaae aaaf aaan aaea aaen aafa aaff aana aane aaoe aaon aaoo aeaf aean aena aeon afaa afan afao afee affa affo afoa afoe afoo ana- anaa anae anan anao anee anen anfa anfo anna anne anno ano- anoa anon aone aono eaaf eana eeea eeee eefa eefe eefn eena efen efeo effa efon enan enea enee eneo enna enne eno- enoe enon eoan eone faaa faan fafa fafe faff fafo fana fane fano faon feaf fean feen fefe feff fefo fena fene fenn feof feon ffee ffff foaf foan fofo fone fono foof foon naaa naan naea naef nafa nafe naff nafo nan- nana nane nann nano neaf nean neea neef neen nefa nefe neff nena nene neno neo- neon neoo nfaa nfff nfon nnnn noaa noae non- nona none nonn nono noo- noon nooo o-eo oafo oen- oeno ofan ofen off- offa offe offo ofna ofno onan one- onea onee oneo onna onne onno onon ooaa ooff oona oone oooo