a-ii aaaa aaab aaac aaad aaai aaam aaar aaba aabb aabc aabd aabi aabm aaca aacb aacc aacd aaci aacm aacr aada aadc aadi aaib aaic aaii aama aamb aamc aamd aami aamr aara aarc aard aari aarm abaa abab abac abad abai abam abar abb- abba abbb abbi abbr abca abcb abcc abcd abci abcr abda abdi abia abib abic abid abim abir abma abmb abmc abra abrc abri acaa acab acac acad acai acar acba acca accc accd acci accm acda acdb acdc acdi acdm aci- acia acic acid acim acir acma acmc acmi acr- acra acrc acri acrm acrr adaa adab adac adad adai adam adar adba adbc adbi adcc adci adda addc addd addi addr adia adib adic adim adir adma admb admi admr adra aiai aiba aica aicc aicd aicr aida aidb aidc aidi aidr aiia aiib aiic aiid aiir aimc aimi aimm aira aird airi amaa amac amad amai amam amar amb- amba ambi ambr amca amcc amda amia amib amic amid amii amir amm- amma ammi amra amrc amri arab arac arad arai aram arar arba arbi arc- arca arci arcm arda ardc ardi ardm aria arib arid arii arim arma armc armd armi armm arr- arra arrc arri arrr ba-i baaa baad baam baar baba babb babi babm babr bac- baca bacc baci bada badb badd badi badr baia baib baic baid bair bama bamb bamc bami bamm bar- bara barb barc bard bari barm barr bbad bbbb bbci bbcm bbdd bbrc bcaa bcam bcar bcbc bcca bccc bcci bccm bcda bcia bcma bcra bd-r bdbc bddc bdii bdmi bdrm biad biar biba bibb bibi bica bicc bici bida bidi bidr bima bira birb bird biri birr bmaa bmci bmdb bmic bmir bmmi brab brac brad brai bram brca brcb brda brdm bria bric brid brim brmc brrm brrr c-cd caaa caab caac caam caba cabi cac- caca cacc caci cacm cacr cada cadc cadd cadi cadm cadr caia caib caic caid caim cair cama camb camc cami camm cara carb carc card cari carm carr cbac cbar cbbc cbca cbcc cbcm cbcr cbdb cbdc cbdi cbia cbid cbir cbrd cbrm ccaa ccab ccac ccad ccai ccam ccar ccba ccbc ccca cccb cccc ccci cccm ccdc ccdi ccdm ccdr ccic ccid ccii ccim ccir ccma ccmb ccmc ccmd ccmm ccra ccrc ccri cd-r cdaa cdac cdad cdai cdba cdda cddb cddr cdic cdii cdma ciaa ciam ciar ciba cibc cibi cica cicc cici cicr cida cidc cidi cidr ciia ciid ciii cima cimb cimd cimi cimm cimr cira cirb circ ciri cirm cirr cmaa cmac cmba cmbc cmcc cmda cmdb cmdr cmii cmir cmmb cmmc cmmi cmra cmri cmrr crab crac crai cram crar crbc crca crcc crcr crda crdc cria crib cric crim crmb daab daad daam daar daba dabb daca daci dada dadi daia daid daim dair dama damb dami damm dara darb darc dard dari darr dbar dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dcim dcma dcmi dcra dddd ddrc dia- diab diac diad diam diar diba dibb dica dici dida didi diii dima dimi dimm dira dird dirr dmaa dmab dmac dmba dmcc dmcm dmdc dmrb dmrc draa drab drac drad dram drar drba drbc drca drda drib dric drra iaaa iaac iaai iaba iabm iaca iacc iacr iadb iadc iaia iaim iama iamb iami iara iarc ibac ibad ibar ibbm ibca ibia ibid ibim ibma ibra ibrc ibrd ibri icaa icab icac icad icai icam icar icbc icbd icbm icca iccb iccc icci iccr icdc icdd icma icmc icmi icmm icra icrc icrm icrr idad idam idar idbm idca idcr idda iddm idia idic idid idir idra idrc iiac iica iicd iida iiii iimc iira iirc imac imad imai imam imar imba imbi imca imcb imci imdb imdi imid imir imma immi imra imrc imri imrr irac irad irai iram irar irbm irca ircc ircd irda irdc iri- iria iric irid irma irmc irra irrc irri ma-i maaa maac maad maai maam maar maba mabi mac- maca macb macc macd maci macr mada madb madc madd madi maia maib maid maii maim mair mama mamc mami mar- mara marc mard mari marm marr 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 mcrc mcrd mcri mdac mdai mdca mdcc mdci mddm mdia mdic mdii mdma mdmc mdra mdrc miaa miab miac miai miam mibc mica micc micd mici micr mid- mida midi miii mim- mima mimd mimi mira mirc mird miri mirr mmaa mmab mmac mmai mmar mmcc mmcd mmci mmcm mmda mmdb mmdc mmdi mmic mmii mmmc mmmd mmmm mmrc mr-c mrac mrad mrbb mrbm mrca mrcb mrcc mrda mrdd mria mrmc mrmd mrrc raab raad raam raba rabb rabi rac- raca racc raci rada radc radd radm radr raia raic raid raii raim rair rama ramb rami ramm rara rarb rari rbbb rbbr rcac rcbc rccb rccc rcdc rcic rcid rcrd rdac rdbm rdcm rdma riaa riab riad riai riam rib- riba rica ricc rida ridc ridd ridi riia rima rimi rimm riri rrad rrmc rrrr