ROUNDLET

de do ed el en er et lo ne no nu od oe on or re to un ut

del den doe dol don dor dot due dun duo eld end eon ern led let leu lot net nod nor not nut ode old ole one ore ort oud our out red ret rod roe rot rue run rut ted tel ten tod toe ton tor tun udo urd urn ute

delt dent doer dole dolt done dore dote dour duel duet dune dunt dure durn duro enol euro lend leno lent leud lode lone lord lore lorn loud lour lout lude lune lunt lure lute nerd node noel note nude nurd nurl orle redo rend rent rode role rote rotl roue rout rude rued rule rune runt tend tern toed told tole tolu tone tore torn tour trod true tule tune turd turn udon unde undo unto