-ana -vac a-ha aaaa aaac aaah aaan aaav aaca aacc aach aacn aaco aacv aaha aana aaon aaoo aava acaa acac acan acca accc acch acco acha achh acho acoa acoh acon acvv ahac ahah ahha ahoa ahva ana- anaa anac anah anan anao anca ancc anco anha anna anno ano- anoa anon aoah aoca aono avan avao avcc avco avon avva avvo caaa caac caah caan cac- caca cacc cach caco caha cahn cana canc canh cann cano cava cavo ccaa ccac ccca cccc cccv ccha ccna ccnc ccoc ccvo chaa chac chah chan chao chav chca chch chha chnc chno choc choh chon choo chov chvo cnaa cnac cnco cnna cnoh coan coca coch coco coha cohn coho con- cona conc conn cono conv cooh coon cova covo cvac cvca cvcc haan haco haha hahn haho hana hanc hann hano haon hava hcca hccc hcch hhaa hhhh hnna hoac hoan hoca hoch hocn hoha hohn hoho hono hoon hova hvac hvcc naaa naac naan naca nacc nach naco naha nan- nana nann nano naoc naoh nava navo navv ncaa ncac ncca nccc nccn ncha nchc ncna ncnc ncoa ncoc nhcc nhnn nhon nnnn noaa noac noah noch noco noha nohn noho non- nona nonn nono noo- noon nooo noov nov- nova novo nvcc ocac ocan occa occc occn ocha ocna ocon ohan ohcc ohho ohno ohoh onah onan onc- onca onco onha onna onno onon ooaa ooha ooho oona oooh oooo ovan ovo- ovon ovoo vaan vaca vach vaco vaho vana vanc vann vano vava vcon vhhh vnav voca voho vona vonn vooc vvvv