a-ii aaaa aaaf aaai aaal aafa aaff aafi aafl aaii aala aali aall aalo aaoo afaa afao affa affi affo afia afif afil afla afoa afol afoo aiai aiff aifl aiia aila aili aioi alaa alai alal alao alfa alfi ali- alia alif alii alil alio all- alla alli alll allo aloa alof aloi alol aloo aola faaa fafa faff fafi fafo fail faio fala fali fall falo ffff ffii fiaa fiaf fial fifa fiff fifi fifo fiii fiil fila fili fill filo flao flia flii floo foaf foal fofo foia foil fola foli foll folo foof fool iaaa iaai iaal iaff iafl iaia iala iall ifaa ifao ifil ifla iifa iiii iiio iila iioi iioo ilal ilia ilio ill- illa illi illo iloo ioii ioio iola iolo ioof iooi iooo laaa laal laff laia lail lala lali lall lalo liao lifa liff lifl lifo liia liii lila lili lill lilo lio- llao llll lloa lloo loaf lofa loff lofi loif lola loli loll lolo loof lool oafo oall off- offa offo ofla oiii oila olaf olfa olia olio olla olli ollo olof ooaa ooff ooia oola oolo oooo