-ana a-un aaaa aaab aaac aaan aaba aabb aabc aaca aacb aacc aacn aacu aana abaa abab abac aban abau abb- abba abbb abca abcb abcc abcn abnu abua abun abza abzu acaa acab acac acan acba acca accc accu acu- ana- anaa anab anac anan anau anaz anba anbb anbu anca ancc anna annb anua anub anun anza anzu auaa auca auna aza- azab azan azaz azca azna azua azza baaa baan baaz baba babb babu bac- baca bacc bacn bacz bana banc bann banu banz bau- baza bbau bbbb bcaa bcbc bcca bccc bcnu bcuc buba bubb bubu buca bucc bucu bucz buna bunb bunn bunu bunz buuz buza buzz bzzz caaa caab caac caan caba cabu cac- caca cacc cana canc cann canz cauc caza cbac cbbc cbca cbcc cbcn cbcu cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccu ccna ccnb ccnc ccnu ccuc cnaa cnac cnbc cnna cnnz cuan cuau cub- cuba cubb cuca cucc cucn cuna naaa naab naac naan naba nabc nabu naca nacc nan- nana nanb nann nanu naza nazz nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nccu ncna ncnc ncua nnnn nuan nuba nubc nuca nucu nuna nunc nunn nzcc uabc uaca uaua ubac ubba ucan ucbc ucca ucua unaa unac unan unau unca uncc unna unuz uuuu uzan uzun zaan zaba zabu zaca zana zann zaun zaza zazu zubu zunz zuun zuzu zzzz