a-ak a-ok aaaa aaaf aaal aafa aaff aafl aaka aala aall aalo aaoo afaa afak afao affa affo afka afla afoa afol afoo akaa akal akao akka akko aklo akok alaa alak alal alao alfa alk- alka alko all- alla alll allo aloa alof alok alol aloo aola f--k faaa fafa faff fafo fako fala falk fall falo ffff flak flao flok floo foaf foak foal fofo fola folk foll folo foof fook fool k-lo kaaa kaaf kaak kaal kafa kaff kaka kakk kako kala kalf kalk kall kalo kaoa kaok kaol kfal kffa kfff kffk kfka kfla kflf kfll kflo kfok kfoo kkaa kkal kkkk kklf kkll kklo kkoa kkol kkoo klaa klaf klak klal klfa klff klka klkk klkl klko klla kllk kloa klok klol kloo koak koal kofa koff kofk kofo koka kokf kokk koko kola kolf kolk koll kolo kook kool kooo laaa laak laal laff laka lala lall lalo lkal llao llll lloa lloo loaf lofa loff loka lokk loko lola loll lolo loof look lool oafo oall off- offa offo ofla okak okka okko okla oklo okok okol olaf olfa olka olla ollo olof ooaa ooak ooff oola oolo oooo