a-ii aaaa aaab aaac aaad aaai aaam aaba aabb aabc aabd aabi aabm aaca aacb aacc aacd aaci aacm aada aadc aadi aaib aaic aaii aama aamb aamc aamd aami abaa abab abac abad abai abam abb- abba abbb abbi abca abcb abcc abcd abci abda abdi abia abib abic abid abim abma abmb abmc acaa acab acac acad acai acba acca accc accd acci accm acda acdb acdc acdi acdm aci- acia acic acid acim acma acmc acmi adaa adab adac adad adai adam adba adbc adbi adcc adci adda addc addd addi adia adib adic adim adma admb admi aiai aiba aica aicc aicd aida aidb aidc aidi aiia aiib aiic aiid aimc aimi aimm amaa amac amad amai amam amb- amba ambi amca amcc amda amia amib amic amid amii amm- amma ammi ba-i baaa baad baam baba babb babi babm bac- baca bacc baci bada badb badd badi baia baib baic baid bama bamb bamc bami bamm bbad bbbb bbci bbcm bbdd bcaa bcam bcbc bcca bccc bcci bccm bcda bcia bcma bdbc bddc bdii bdmi biad biba bibb bibi bica bicc bici bida bidi bima bmaa bmci bmdb bmic bmmi c-cd caaa caab caac caam caba cabi cac- caca cacc caci cacm cada cadc cadd cadi cadm caia caib caic caid caim cama camb camc cami camm cbac cbbc cbca cbcc cbcm cbdb cbdc cbdi cbia cbid ccaa ccab ccac ccad ccai ccam ccba ccbc ccca cccb cccc ccci cccm ccdc ccdi ccdm ccic ccid ccii ccim ccma ccmb ccmc ccmd ccmm cdaa cdac cdad cdai cdba cdda cddb cdic cdii cdma ciaa ciam ciba cibc cibi cica cicc cici cida cidc cidi ciia ciid ciii cima cimb cimd cimi cimm cmaa cmac cmba cmbc cmcc cmda cmdb cmii cmmb cmmc cmmi daab daad daam daba dabb daca daci dada dadi daia daid daim dama damb dami damm dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dcim dcma dcmi dddd dia- diab diac diad diam diba dibb dica dici dida didi diii dima dimi dimm dmaa dmab dmac dmba dmcc dmcm dmdc iaaa iaac iaai iaba iabm iaca iacc iadb iadc iaia iaim iama iamb iami ibac ibad ibbm ibca ibia ibid ibim ibma icaa icab icac icad icai icam icbc icbd icbm icca iccb iccc icci icdc icdd icma icmc icmi icmm idad idam idbm idca idda iddm idia idic idid iiac iica iicd iida iiii iimc imac imad imai imam imba imbi imca imcb imci imdb imdi imid imma immi ma-i maaa maac maad maai maam maba mabi mac- maca macb macc macd maci mada madb madc madd madi maia maib maid maii maim mama mamc mami mbac mbam mbba mbca mbci mbda mbdb mbia mbim mcaa mcac mcad mcba mcbc mcbi mcca mccc mccd mcci mcdc mcdd mcdi mcia mcic mcii mcmc mcmi mdac mdai mdca mdcc mdci mddm mdia mdic mdii mdma mdmc miaa miab miac miai miam mibc mica micc micd mici mid- mida midi miii mim- mima mimd mimi mmaa mmab mmac mmai mmcc mmcd mmci mmcm mmda mmdb mmdc mmdi mmic mmii mmmc mmmd mmmm