-ana a-un aaaa aaab aaac aaal aaan aaba aabb aabc aabl aaca aacb aacc aacl aacn aacu aala aalc aall aalu aana abaa abab abac abal aban abau abb- abba abbb abca abcb abcc abcl abcn abla abnu abua abul abun acaa acab acac acan acba acbl acca accc accu acla aclc aclu acu- acul alaa alac alal alan alau alb- alba albc albu alca alcc all- alla alll alln allu alna alua alun ana- anaa anab anac anal anan anau anba anbb anbl anbu anca ancc anla anlc anln anlu anna annb anua anub anul anun auaa auca aul- aula aull auln aulu auna baaa baal baan baba babb babu bac- baca bacc bacn bala balc ball balu bana banc bann banu bau- baul bbau bbbb bblb bcaa bcbc bcca bccc bccl bcnu bcuc blaa blab blac blan blau blcu blub bual buba bubb bubu buca bucc bucu bula bulb bull bulu buna bunb bunn bunu caaa caab caac caal caan caba cabu cac- caca cacc cala calc call calu cana canc cann cauc caul cbac cbal cbbc cbca cbcc cbcl cbcn cbcu cblb cblc cbln cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccl cccu ccla cclc ccna ccnb ccnc ccnu ccuc clab clan clau club clun cnaa cnac cnbc cnbl cnna cuan cuau cub- cuba cubb cuca cucc cucn cula culb culc cull cuna laaa laac laal laan laba labu laca lacc lacl lacu lala lall lalu lan- lana lanc lann lanu laub laul laun lbcc lcac lcbc lcca lccc llan llcc lllc llll luan luau luba luca lula lull lulu luna lunn luua naaa naab naac naal naan naba nabc nabl nabu naca nacc nacl nala nalc nall nalu nan- nana nanb nann nanu naul nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nccu nclc ncln ncna ncnc ncua nlab nlcc nnnn nuan nuba nubc nubl nuca nucu null nuna nunc nunn uabc uaca uaua ubac ubal ubba ubla ucal ucan ucbc ucca ucla ucua ulaa ulan ulbc ulcc ulla ulna ulua ulul unaa unac unal unan unau unca uncc uncl unna uulu uuuu