a-ii aaaa aaab aaac aaai aaal aaam aaba aabb aabc aabi aabl aabm aaca aacb aacc aaci aacl aacm aaib aaic aaii aala aalc aali aall aama aamb aamc aami abaa abab abac abai abal abam abb- abba abbb abbi abca abcb abcc abci abcl abia abib abic abil abim abla abma abmb abmc acaa acab acac acai acba acbl acca accc acci accm aci- acia acic acim acla aclc acli acma acmc acmi aiai aiba aibl aica aicc aiia aiib aiic aila aili ailm aimc aimi aiml aimm alaa alac alai alal alam alb- alba albc albi albm alca alcc ali- alia alib alii alil alim all- alla alli alll alma almc amaa amac amai amal amam amb- amba ambi amca amcc amia amib amic amii amil amla amli amm- amma ammi ba-i baaa baal baam baba babb babi babm bac- baca bacc baci baia baib baic bail bala balc bali ball balm bama bamb bamc bami baml bamm bbbb bbci bbcm bblb bcaa bcam bcbc bcca bccc bcci bccl bccm bcia bcma bial biba bibb bibi bibl bica bicc bici bila bili bill bima blaa blab blac blam blic blim bmaa bmci bmic bmmi caaa caab caac caal caam caba cabi cac- caca cacc caci cacm caia caib caic cail caim cala calc cali call calm cama camb camc cami caml camm cbac cbal cbbc cbca cbcc cbcl cbcm cbia cblb cblc ccaa ccab ccac ccai ccam ccba ccbc ccca cccb cccc ccci cccl cccm ccic ccii ccil ccim ccla cclc ccli cclm ccma ccmb ccmc ccmm ciaa cial ciam ciba cibc cibi cica cicc cici ciia ciii cila cili cill cima cimb cimi ciml cimm clab clai clam clib clic clii clim cmaa cmac cmba cmbc cmcc cmii cmla cmli cmll cmmb cmmc cmmi cmml iaaa iaac iaai iaal iaba iabm iaca iacc iaia iaim iala iall iama iamb iami ibac ibbm ibca ibia ibim ibma ibml icaa icab icac icai ical icam icbc icbm icca iccb iccc icci iccl icll icma icmc icmi icmm iiac iica iiii iila iimc ilac ilal ilam ilbc ilbm ilca ilia ilic ill- illa illi ilma imac imai imam imba imbi imca imcb imci imli imma immi laaa laac laal laam laba labi laca lacc laci lacl laia laic lail laim lala lali lall lalm lama lamb lami lamm lbcc lbia lbmc lcac lcbc lcca lccc lccm lcia liac liam liba libc lica liia liii lila lilb lili lill lima limb limc limi liml limm llcc lllc llll lmcc lmia lmii ma-i maaa maac maai maal maam maba mabi mac- maca macb macc maci maia maib maii mail maim mal- mala mali mall malm mama mamc mami mbac mbam mbba mbca mbci mbia mbim mcaa mcac mcba mcbc mcbi mcca mccc mcci mccl mcia mcic mcii mcil mcla mcli mcmc mcmi mcml miaa miab miac miai mial miam mibc mica micc mici miii mila mili mill mim- mima mimi mlab mlba mlcc mlia mlii mmaa mmab mmac mmai mmcc mmci mmcl mmcm mmic mmii mmli mmmc mmmm