a-fu aaaa aaaf aaal aaar aafa aaff aafl aala aall aalo aalu aaoo aara aaro aaru afaa afao afar affa affo afla afoa afol afoo afor afr- afra afro afru afua alaa alal alao alar alau alfa all- alla alll allo allr allu aloa alof alol aloo alor alou alro alua aluf alur aola aora aouf aoul araf aral arar arau arfa arff arfu arla arlo aroa aroo aror arr- arra arro arrr arru arua arul auaa aul- aula aulf aull aulo aulu auol aur- aura auro faaa fafa faff fafo fala fall falo falu fara farl faro farr faru faul faur ffar ffff ffrr flao floo flor flou fluf fluo flur foaf foal foar fofo fola foll folo folr foof fool for- fora forl foro forr foua foul four frau frla frol frou fuar fuff fufu fula full fulu fuor fur- fura furl furo furr laaa laal laar laff lala lall lalo lalu laou lara larf larr laru lauf laul laur llao llll lloa lloo loaf loar lofa loff lola loll lolo loof lool loor lora loro loul lour louu lral lrrr luau luff lufu lula lull lulu lura luua oaau oafo oall oara off- offa offo offr offu ofla ofor ofra olaf olar olfa olla ollo olof olor olur ooaa ooff oola oolo oooo oora oral orao orar orff orfu orla orlo orlu oro- orof oror orra orro ouff oula oulu our- oura ouro ouu- raaf rafa raff rala ralf rall ralo raol rara rarf raro raua rauf raul rffl rlua roaf roar roff rofl rofo rola rolf roll rolo roof rool roor rora roro roru roua rouf roul rrrr rufa ruff rufo rula rull rulo rura ruro ruru uafa uaru uaua uffa ufra ulaa ular ulla ullo ullr ulo- ulua ulul uofa uofl uofo uor- ural urao urau urfa urff urla uro- uroa urol uroo urra urur uulu uuuu