a-be aaaa aaab aaac aaad aaae aaam aaba aabb aabc aabd aabm aaca aacb aacc aacd aace aacm aada aadc aade aaea aaec aaem aama aamb aamc aamd aame abaa abab abac abad abae abam abax abb- abba abbb abbe abca abcb abcc abcd abda abec abed abee abma abmb abmc acaa acab acac acad acae acba acca accc accd acce accm acda acdb acdc acde acdm ace- acea acec aced acem acma acmc acme adaa adab adac adad adae adam adba adbc adcc adda addc addd adde adea adeb adee adem adma admb adme admx aeac aecb aede amaa amac amad amae amam amax amb- amba ambe ambx amca amcc amda amec amed amee amex amm- amma amme axce axed ba-x baaa baad baam baba babb babe babm bac- baca bacc bace bada badb badd bade baed bama bamb bamc bame bamm bbad bbbb bbcm bbdd bbeb bcaa bcam bcbc bcca bccc bccm bcda bcde bcec bcma bdbc bddc bdmx bead beam beba bebb bebe beca beda bede beeb beed beem bema beme bmaa bmce bmdb c-cd caaa caab caac caam caba cabe cac- caca cacc cace cacm cada cadc cadd cade cadm caec caem caex cama camb camc came camm camx caxa cbac cbax cbbc cbca cbcc cbce cbcm cbdb cbdc cbea cbec cbee cbme cbxa ccaa ccab ccac ccad ccam ccba ccbc ccca cccb cccc cccm ccdc ccdm cced ccee ccma ccmb ccmc ccmd ccmm cd-e cdaa cdac cdad cdax cdba cdda cddb cdec cdex cdma ceac cead ceba cec- ceca cece cecm ceda cedd cede ceeb ceec ceem cema cemb ceme cemm cexe cmaa cmac cmax cmba cmbc cmbx cmcc cmda cmdb cmea cmec cmmb cmmc cxxx daab daad daae daam daba dabb daca dace dada dade daeb daem dama damb dame damm dbcc dcbc dcca dccb dccc dcdb dcma dcxx dddd deac dead deae deba debe dec- deca decc decd dece deda dedd dede deeb deed deem dem- dema demb demd deme dex- dexa dexe dmaa dmab dmac dmae dmax dmba dmcc dmcm dmdc dmea dxab dxam dxbc dxbe dxbm dxcb dxcc dxcm dxdc dxec dxed dxmc dxme dxmx dxxx eaba eaca eacc eada eadb eadd eaec eama eame ebac ebam ebba ebbc ebcc ebed ecaa ecac ecad ecam ecbc ecbe ecca eccb eccc ecce eccm ecdc eced ecem ecma edac edad edam edax edca edda eddc edde eddm ede- edea edem edex edma edme eeca eede eeea eeee emac emad emae emam emax emba embd embe emcc emex emma emme exa- exam exda exec exed maaa maac maad maam maba mabe mac- maca macb macc macd mace macx mada madb madc madd made maee maem mama mamc mame maxx mbac mbam mbba mbca mbda mbdb mbed mcaa mcac mcad mcba mcbc mcca mccc mccd mccx mcdc mcdd mcde mcdx mced mcmc mcmx mcxc mdac mdax mdca mdcc mdcx mddm mdea mdma mdmc mdme mdmx mdxc mead mebe mec- meca mecc mecd mece meda medb medd mede meed meem mema memc meme memx mexx mmaa mmab mmac mmcc mmcd mmcm mmcx mmda mmdb mmdc mmdx mmea mmmc mmmd mmmm mmxx x-ed xace xbcd xbee xdcc xdmx xema xeme xexe xmax xxxx