INTERNUCLEONIC

el en er et in it li lo ne no nu oe oi on or re ti to un ut

cee cel col con cor cot cru cue cur cut ecu eel eon ere ern ice inn ion ire lee lei let leu lie lin lit lot nee net nil nit nor not nun nut oil ole one orc ore ort our out rec ree rei ret rin roc roe rot rue run rut tee tel ten tic tie til tin toe ton tor tui tun urn ute

ceil celt cent cere cero cete cine cion cire cite clon clot clue coil coin coir cole colt cone coni conn core corn cote crit croc cult cunt cure curl curn curt cute ecru enol erne etic etui euro icon inro inti into iron leer leet leno lent lice lien lier lieu line linn lino lint lion lire liri lite litu loci loin lone lore lorn loti lour lout luce lune lunt lure lute nene neon nice nine nite noel noil noir none nori note noun nurl once orle otic reel rein rent rete rice riel rile riot rite roil role rote roti rotl roue rout ruin rule rune runt teel teen tele tern tier tile tine tire tirl tiro toil tole tolu tone torc tore tori torn tour tree trio true tule tune turn unci unco unit unto uric