-ana a-un aaaa aaab aaac aaam aaan aaba aabb aabc aabm aaca aacb aacc aacm aacn aacu aama aamb aamc aamn aana abaa abab abac abam aban abau abb- abba abbb abca abcb abcc abcn abma abmb abmc abnu abua abum abun acaa acab acac acan acba acca accc accm accu acma acmc acmu acu- acum amaa amac amam aman amb- amba ambn ambu amca amcc amm- amma ammu amua amum amun ana- anaa anab anac anam anan anau anba anbb anbu anca ancc anma anmu anna annb anua anub anum anun auaa auca auma auna baaa baam baan baba babb babm babu bac- baca bacc bacn bama bamb bamc bamm bamn bamu bana banc bann banu bau- baum bbau bbbb bbcm bcaa bcam bcbc bcca bccc bccm bcma bcnu bcuc bmaa bman buba bubb bubu buca bucc bucu bum- buma bumb buna bunb bunn bunu caaa caab caac caam caan caba cabu cac- caca cacc cacm cama camb camc camm cana canc cann cauc caum cbac cbbc cbca cbcc cbcm cbcn cbcu cbna ccaa ccab ccac ccam ccba ccbc ccbn ccca cccb cccc cccm cccu ccma ccmb ccmc ccmm ccna ccnb ccnc ccnm ccnu ccuc cmaa cmac cmba cmbc cmcc cmmb cmmc cmmn cnaa cnac cnam cnbc cnbm cnma cnna cuan cuau cub- cuba cubb cuca cucc cucm cucn cum- cuma cuna maaa maac maam maan maba mabu mac- maca macb macc macu mama mamc mamu man- mana manc mann manu maua maum maun mbac mbam mbba mbca mbna mcaa mcac mcan mcba mcbc mcca mccc mcmc mmaa mmab mmac mman mmcc mmcm mmmc mmmm mmun mnaa mnac mnam mnba mnbb muac muc- mucc mucu muma mumm mumu muna munc munn munu naaa naab naac naam naan naba nabc nabu naca nacc nacm nama namb namm namu nan- nana nanb nann nanu naum nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nccu ncmm ncna ncnc ncua nman nmmc nnmc nnnn nuan nuba nubc nuca nucu numa numb numm numu nuna nunc nunn uabc uaca uamc uaua ubac ubba ucam ucan ucbc ucca ucmc ucua umaa umac uman umb- umba umma unaa unac unam unan unau unca uncc unma unmc unna unum uuuu