a-fu aaaa aaae aaaf aaar aaea aafa aaff aara aare aaru aeaf aeer aer- aera afaa afar afee afer affa afr- afra afre afru afua afue arae araf arar arau area aree aref areu arfa arff arfu arr- arra arre arrr arru arua arue auaa auer aufe aur- aura aure eaaf eara eare eeea eeee eefa eefe eera effa efua eraf erau erer erra erre erua erur euer eur- eura eure faaa fafa fafe faff fara fare farr faru faue faur feaf fear feer fefe feff fera fere ferr feru ffar ffee ffff ffrr frae frau frea free frue fuar fuff fufu fur- fura fure furr raaf raef raer rafa rafe raff rara rare rarf raua raue rauf rea- reae reaf rear reau reef refe reff refr refu rera rere reru reue reuf reuu rfae rfef rrrr ruer rufa rufe ruff rura rure ruru uafa uaru uaua uefa ufer uffa uffe ufra urau ure- urea urfa urfe urff urra urre urur uuuu