-ana a-fu a-un aaaa aaac aaaf aaan aaca aacc aacf aacn aaco aacu aafa aafc aaff aana aaon aaoo acaa acac acan acca accc accf acco accu acfc acoa acon acou acu- acuf acuo afaa afan afao afca afcc afcu affa affc affo afoa afoo afua ana- anaa anac anan anao anau anca ancc anco anfa anfo anna anno ano- anoa anon anua anuf anun aoca aono aouf aoun auaa auca aufc auna caaa caac caaf caan cac- caca cacc caco cafa cafc caff cafu cana canc cann cano cauc cauf cauo ccaa ccac ccaf ccca cccc cccf cccu ccfa ccfc ccff ccna ccnc ccnf ccnu ccoc ccuc cfaa cfac cfao cfca cfcf cfcn cfco cfoa cfun cnaa cnac cnco cnfa cnna coan coca coco cocu cofc coff con- cona conc conf conn cono coof coon coua coun cuan cuau cuca cucc cucn cufa cufc cuff cufo cuna cuno cuon faaa faac faan faca facc fafa fafc faff fafo fana fanc fano fanu faon faun fcca fccf ffcc ffff ffun fnac fnuf foaf foan foca foco fofo fono foof foon foua foun fuc- fuca fufc fuff fufu funa funf naaa naac naan naca nacc nacf naco nafa nafc naff nafo nan- nana nann nano nanu naoc nauo ncaa ncac ncca nccc nccf nccn nccu ncfc ncna ncnc ncoa ncoc ncua nfaa nfcu nfff nfon nnnn noaa noac noco non- nona nonn nono nonu noo- noon nooo noun nuan nuca nucu nuff nuna nunc nunn nuno nuoc nuon oaau oafc oafo ocac ocan occa occc occn ocfa ocna ocon ofan off- offa offc offo offu ofna ofno onan onc- onca oncf onco onna onno onon ooaa ooff oona oooo ouac ouan oucc oufc ouff oun- ouna ouu- uaca uafa uaoc uaua ucan ucca ucfa ucon ucua ufcu uffa unaa unac unan unau unca uncc uncf unco unna unno unon uocc uofa uofo uuno uuoc uuuu