-ana a-ha aaaa aaac aaaf aaah aaan aaca aacc aacf aach aacn aaco aafa aafc aaff aaha aana aaon aaoo acaa acac acan acca accc accf acch acco acfc acha achh acho acoa acoh acon afaa afan afao afca afcc afch affa affc affo afoa afoo ahac ahah ahfa ahha ahoa ana- anaa anac anah anan anao anca ancc anco anfa anfo anha anna anno ano- anoa anon aoah aoca aono caaa caac caaf caah caan cac- caca cacc cach caco cafa cafc caff caha cahn cana canc canh cann cano ccaa ccac ccaf ccca cccc cccf ccfa ccfc ccff ccha ccna ccnc ccnf ccoc cfaa cfac cfao cfca cfcf cfcn cfco cfoa chaa chac chaf chah chan chao chca chch chfa chfc chha chnc chno choc choh chon choo cnaa cnac cnco cnfa cnna cnoh coan coca coch coco cofc coff coha cohn coho con- cona conc conf conn cono coof cooh coon faaa faac faah faan faca facc fach fafa fafc faff fafo faha fahn fana fanc fano faon fcca fccf fcch ffcc ffff fnac foaf foan foca foch foco fofo fohn fono foof foon haaf haan haco haff haha hahn haho hana hanc hann hano haon hcca hccc hcch hcfa hcfc hhaa hhhh hhof hnna hoac hoan hoca hoch hocn hoff hoha hohn hoho hono hoof hoon naaa naac naan naca nacc nacf nach naco nafa nafc naff nafo naha nahf nan- nana nann nano naoc naoh ncaa ncac ncca nccc nccf nccn ncfc ncha nchc ncna ncnc ncoa ncoc nfaa nfff nfon nhcc nhnn nhon nnnn noaa noac noah noch noco noha nohn noho non- nona nonn nono noo- noon nooo oafc oafo ocac ocan occa occc occn ocfa ocha ocna ocon ofah ofan off- offa offc offh offo ofna ofno ohan ohcc ohho ohno ohoh onah onan onc- onca oncf onco onha onna onno onon ooaa ooff ooha ooho oona oooh oooo