a-be a-do aaaa aaab aaac aaad aaae aaam aaba aabb aabc aabd aabm aabt aaca aacb aacc aacd aace aacm aaco aact aada aadc aade aadt aaea aaec aaem aama aamb aamc aamd aame aamo aaoe aaoo aata aatc aatt abaa abab abac abad abae abam abat abb- abba abbb abbe abbo abbt abca abcb abcc abcd abct abda abdo abec abed abee abet abma abmb abmc abmt aboa abob abod aboo abot abta ac-t acaa acab acac acad acae acat acba acca accc accd acce accm acco acct acda acdb acdc acde acdm acdt ace- acea acec aced acem acet acma acmc acme acoa acod acoe acom acot acta actc acte acto actt adaa adab adac adad adae adam adao adat adba adbc adcc adda addc addd adde addo adea adeb adee adem adeo adet adma admb adme adob adoc adod adoe adoo adot adta aeac aecb aect aede aedt aemt aeom aeta aetc aeto aett amaa amac amad amae amam amat amb- amba ambe ambo amca amcc amco amda amdo amdt amec amed amee amet amm- amma amme ammo amob amoc amod amoo amot amta amtc amte amto aoba aoca aoce aoma aotc aotd at-t ataa atab atac atad atae atat atca atcc atco atdt atea atec ated atee atem ateo atm- atma atme atmo atob atoc atod atoe atom atot atta atte atto baaa baad baam baat baba babb babe babm babo bac- baca bacc bace baco bact bada badb badd bade bado baed bama bamb bamc bame bamm bata batc bate bato batt bbad bbbb bbcm bbdd bbdo bbeb bbet bcaa bcam bcat bcbc bcca bccc bccm bcda bcde bcec bcet bcma bctc bdbc bddc bead beam beat beba bebb bebe bebo beca beda bede bedo beeb beed beem beet bema beme beo- beod beot beta betc bete beto bett bmaa bmce bmdb bmoc bmtc boab boac boad boat boba bobb bobe bobo boca boce bocm boco boda bodb bode bodo boea boec boee boeo boet boma bomb bome bomt boob booc bood booe boom boot bota botb botd bote boto bott btaa btcc btdt btec btob bttb c-bo c-cd caaa caab caac caam caat caba cabe cabo cac- caca cacc cace cacm caco cada cadc cadd cade cadm cado caec caem cama camb camc came camm camo camt caod cat- cata catb catc catd cate catm cato catt cbac cbat cbbc cbca cbcc cbce cbcm cbct cbdb cbdc cbdo cbea cbec cbee cbet cbme cbot cbta cbtc ccaa ccab ccac ccad ccam ccat ccba ccbc ccca cccb cccc cccm ccdc ccdm cced ccee ccma ccmb ccmc ccmd ccmm ccob ccoc ccod ccom cctb cctc cctt cd-e cdaa cdac cdad cdba cdda cddb cdec cdma cdom cdot ceac cead ceat ceba cec- ceca cece cecm ceco cect ceda cedd cede cedo cedt ceeb ceec ceem cema cemb ceme cemm cet- ceta cete ceto cmaa cmac cmba cmbc cmcc cmda cmdb cmea cmec cmmb cmmc cmoc cmot cmta cmtc coad coat coba cobb cobe cobo coca coce coco coct coda codd code coed com- coma comb comc comd come comm como coob cood coom coot cota cotb cotc cote coto cott ctab ctae ctba ctca ctec ctma ctmo ctot ctta d-bo daab daad daae daam daba dabb dabo dabt daca dace dact dada dade dado daeb daem dama damb dame damm damo data date dato datt dbcc dbtt dcbc dcca dccb dccc dcct dcdb dcma dcom dctc dctm dddd ddoc ddot deac dead deae deba debe debt dec- deca decc decd dece deco dect deda dedd dede dedo deeb deed deem deet dem- dema demb demd deme demo deta dete deto dmaa dmab dmac dmae dmba dmcc dmcm dmdc dmdt dmea doab doae doat doba dobb dobe doca doce doco doct dod- doda dodd dode dodo doea doma domb dome domm domo doob dood doom doot dota dotd dote doto dott dtaa dtac dtcc dted dtot eaba eaca eacc eada eadb eadd eaec eama eame eaom eata eate ebac ebam ebba ebbc ebbo ebcc ebed eboe eboo ecaa ecac ecad ecam ecao ecat ecbc ecbe ecca eccb eccc ecce eccm ecco ecct ecdc eced ecem ecma eco- ecod ecot ect- ecta ectc ecto edac edad edam edca edda eddc edde eddm eddo ede- edea edem edma edme edoc edod edom edta eeca eede eeea eeee eemo eeoc eeta eetc eete emac emad emae emam emba embd embe embo emcc emco emdt emet emma emme emod emta emte eocd eode eota eotc eotd eoto etam etat etbc etcc etco etec etee etem etoe etta ette etto maaa maac maad maam maat maba mabe mabo mac- maca macb macc macd mace maco mact mada madb madc madd made mado madt maee maem maeo mama mamc mame mamo maoc mata matc mate mato matt mbac mbam mbba mbca mbda mbdb mbed mbta mcaa mcac mcad mcat mcba mcbc mcca mccc mccd mcdc mcdd mcde mcdo mced mcmc mcmt mcot mctc mdac mdat mdca mdcc mddm mdea mdma mdmc mdme mdoc mdot mdta mead meat mebe mebo mec- meca mecc mecd mece meco meda medb medd mede medo meed meem meet mema memc meme memo meoc met- meta mete meto mett mmaa mmab mmac mmcc mmcd mmcm mmct mmda mmdb mmdc mmea mmmc mmmd mmmm mmod moaa moab moac moam moat moba mobb mobe mobo moca moco moda modd mode modo moea moed moet moma mome momo mooa moob mooc mood mooe moot mota motb motd mote motm moto mott mtaa mtab mtac mtbc mtbd mtbo mtoa mtoe mtom o-eo oade oadm oama oate obad obba obbo obdt obea obec obed obet oboe obot obtd ocab ocac ocad ocam ocat ocbc occa occc occt oce oced ocee ocet ocma ocom oct- octa octe octo odac odam odbo odda oddd odea oded odem odeo odet odma odom odoo odot oec- oeca oecc oedo oeec oeme oeta omac omam omao ombe ombo omca omda omdb omed omee omeo omet omma omo- omoa omoe omoo ooaa ooba oobe ooda ooma oome oooo ootb otac