aaaa aaab aaac aaal aaam aaba aabb aabc aabl aabm aaca aacb aacc aacl aacm aacu aala aalc aall aalu aama aamb aamc abaa abab abac abal abam abau abb- abba abbb abca abcb abcc abcl abla abma abmb abmc abua abul abum acaa acab acac acba acbl acca accc accm accu acla aclc aclu acma acmc acmu acu- acul acum alaa alac alal alam alau alb- alba albc albm albu alca alcc all- alla alll allu alma almc almu alua alum amaa amac amal amam amb- amba ambu amca amcc amla amm- amma ammu amua amul amum auaa auca aul- aula aull aulu auma baaa baal baam baba babb babm babu bac- baca bacc bala balc ball balm balu bama bamb bamc baml bamm bamu bau- baul baum bbau bbbb bbcm bblb bcaa bcam bcbc bcca bccc bccl bccm bcma bcuc blaa blab blac blam blau blcu blub blum bmaa bual buba bubb bubu buca bucc bucu bula bulb bull bulu bum- buma bumb caaa caab caac caal caam caba cabu cac- caca cacc cacm cala calc call calm calu cama camb camc caml camm cauc caul caum cbac cbal cbbc cbca cbcc cbcl cbcm cbcu cblb cblc ccaa ccab ccac ccam ccba ccbc ccca cccb cccc cccl cccm cccu ccla cclc cclm ccma ccmb ccmc ccmm ccuc clab clam clau club clum cmaa cmac cmba cmbc cmcc cmla cmll cmmb cmmc cmml cuau cub- cuba cubb cuca cucc cucm cula culb culc cull culm cum- cuma laaa laac laal laam laba labu laca lacc lacl lacu lala lall lalm lalu lama lamb lamm lamu laub laul lbcc lbmc lcac lcbc lcca lccc lccm llcc lllc llll lmcc luau luba luca lula lull lulu luma lumb lumc luua maaa maac maal maam maba mabu mac- maca macb macc macu mal- mala mall malm malu mama mamc mamu maua maul maum mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mccl mcla mcmc mcml mlab mlba mlcc mmaa mmab mmac mmcc mmcl mmcm mmmc mmmm muac muc- mucc mucu mula mull mulm mulu muma mumm mumu uabc uaca uamc uaua ubac ubal ubba ubla ucal ucam ucbc ucca ucla ucmc ucua ulaa ulam ulbc ulcc ulla ulma ulmu ulua ulul ulum umaa umac umb- umba umla umma uulu uuuu