-ana a-ha a-un aaaa aaab aaac aaah aaan aaba aabb aabc aabh aaca aacb aacc aach aacn aacu aaha aana abaa abab abac aban abau abb- abba abbb abca abcb abcc abch abcn abha abnu abua abun acaa acab acac acan acba acca accc acch accu acha achh achu acu- ahab ahac ahah ahau ahha ahua ahun ana- anaa anab anac anah anan anau anba anbb anbu anca ancc anha anna annb anua anub anun auaa auca auch auna baaa baah baan baba babb babu bac- baca bacc bach bacn baha bahn bahu bana banc banh bann banu bau- bbau bbbb bbch bcaa bcbc bcca bccc bcnu bcuc bhan bhca bhcc bhuu buba bubb bubu buca bucc buch bucu buha buna bunb bunn bunu caaa caab caac caah caan caba cabu cac- caca cacc cach caha cahn cana canc canh cann cauc cbac cbbc cbca cbcc cbcn cbcu cbha cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccu ccha ccna ccnb ccnc ccnu ccuc chaa chab chac chah chan chau chca chch chha chnb chnc chua chub chun cnaa cnac cnbc cnna cuan cuau cub- cuba cubb cuca cucc cucn cuna haab haan haba habu haha hahn hana hanc hann hau- haun hcbc hcca hccb hccc hcch hhaa hhhh hnna huac huah huan huba hubb huch hucu huhn huhu huna hunc hunh huub naaa naab naac naan naba nabc nabu naca nacc nach naha nan- nana nanb nann nanu nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nccu ncha nchc ncna ncnc ncua nhcc nhnn nnnn nuan nuba nubc nuca nuch nucu nuha nuna nunc nunn uabc uaca uaua ubac ubba ucan ucbc ucca ucha ucua uhna uhuh unaa unac unan unau unca uncc unch unha unna uuuu