a-be a-ii aaaa aaab aaac aaae aaai aaal aaam aaba aabb aabc aabi aabl aabm aaca aacb aacc aace aaci aacl aacm aaea aaec aaem aaib aaic aaii aala aalc aale aali aall aama aamb aamc aame aami abaa abab abac abae abai abal abam abb- abba abbb abbe abbi abca abcb abcc abci abcl abec abee abel abia abib abic abie abil abim abla able abma abmb abmc acaa acab acac acae acai acba acbl acca accc acce acci accm ace- acea acec acel acem aci- acia acic acie acim acla aclc acle acli acma acmc acme acmi aeac aebi aecb aeci aecl aela aelc aiai aiba aibl aica aicc aice aiea aiee aiel aiia aiib aiic aila aile aili ailm aimc aime aimi aiml aimm alaa alac alae alai alal alam alb- alba albc albe albi albm alca alcc alce alea alec alee alem ali- alia alib alie alii alil alim all- alla alle alli alll alma almc alme amaa amac amae amai amal amam amb- amba ambe ambi amca amcc amec amee amei amel amia amib amic amie amii amil amla amli amm- amma amme ammi ba-i baaa baal baam baba babb babe babi babm bac- baca bacc bace baci bael baia baib baic baie bail bala balc bale bali ball balm bama bamb bamc bame bami baml bamm bbbb bbci bbcm bbeb bblb bcaa bcam bcbc bcca bccc bcci bccl bccm bcec bcia bcie bcma beal beam beba bebb bebe bebi beca beci beeb beel beem beia beic beil beim bela bele beli bell belm bema beme bial biba bibb bibe bibi bibl bica bicc bice bici bieb biel bila bile bili bill bima blaa blab blac blae blam blea bleb blee blei blem blic blim blme bmaa bmce bmci bmic bmmi caaa caab caac caal caam caba cabe cabi cac- caca cacc cace caci cacm caec caei caem caia caib caic cail caim cala calc cale cali call calm cama camb camc came cami caml camm cbac cbal cbbc cbca cbcc cbce cbcl cbcm cbea cbec cbee cbia cblb cblc cbme ccaa ccab ccac ccai ccam ccba ccbc ccca cccb cccc ccci cccl cccm ccee ccel ccic ccii ccil ccim ccla cclc ccli cclm ccma ccmb ccmc ccmm ceac ceal ceba cec- ceca cece ceci cecm ceeb ceec ceel ceem ceil ceim cel- cela celc cele celi cell cema cemb ceme cemm ciaa cial ciam ciba cibc cibe cibi cica cicc cici ciee ciel ciia ciii cila cili cill cima cimb cime cimi ciml cimm clab clai clam clea clec clee clei clem clib clic clii clim cmaa cmac cmba cmbc cmcc cmea cmec cmii cmla cmli cmll cmmb cmmc cmmi cmml e-cl e-la eaba eaca eacc eaec eala ealc eale eama eame ebac ebal ebam ebba ebbc ebcc ebel ebic ebla ebli ecaa ecac ecai ecal ecam ecbc ecbe ecca eccb eccc ecce ecci eccl eccm ecem ecib ecil ecim ecla ecma ecmi eeca eeea eeee eele eica eiec eiei eila eile eime eimi el-b elab elac elai elal elam elba elbe elbi elca elcb elce elea elec elee elem elia elic elie elil elim ella elle elli elma elme elml emac emae emam emba embe embi emcc emel emia emic emii emil emim emle emlm emma emme emmi emml i-be iaaa iaac iaai iaal iaba iabm iaca iacc iaea iaec iaia iaim iala iale iall iama iamb iame iami ibac ibbm ibca ibea ibec ibia ibie ibim ible ibma ibml icaa icab icac icai ical icam icbc icbm icca iccb iccc icci iccl icea icec icee icel icem icle icll icma icmc icme icmi icmm ieac iecc ieie iele iema ieme iiac iica iiie iiii iila iimc ilac ilal ilam ilbc ilbm ilca ilce ile- ilea ilec ilia ilic ilie ill- illa ille illi ilma ilme imac imai imam imba imbe imbi imca imcb imci imea imec imel imli imma imme immi laaa laac laal laam laba labe labi laca lacc lace laci lacl lael laem laia laic laie lail laim lala lale lali lall lalm lama lamb lame lami lamm lbcc lbia lbmc lcac lcbc lcca lccc lcce lccm lcia leaa leal leam leba leca lece leea leel leem leia leib leic leie leil lela lele leli lell lema leme lemi lemm liac liam liba libc libe lica lice lieb liel liia liii lila lilb lile lili lill lima limb limc lime limi liml limm llcc lllc llll lmcc lmia lmii ma-i maaa maac maai maal maam maba mabe mabi mac- maca macb macc mace maci maee mael maem maia maib maie maii mail maim mal- mala male mali mall malm mama mamc mame 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 meai meal mebe mec- meca mecc mece meel meem meic meil mel- mela melb melc mele meli mell mema memc meme meml miaa miab miac miai mial miam mibc mica micc mice mici miee miel miem miii mila mile mili mill mim- mima mime mimi mlab mlba mlcc mlia mlii mlle mmaa mmab mmac mmai mmcc mmci mmcl mmcm mmea mmic mmii mmli mmmc mmmm