a-be aaaa aaab aaac aaae aaam aaba aabb aabc aabm aabt aaca aacb aacc aace aacm aaco aact aaea aaec aaem aama aamb aamc aame aamo aaoe aaoo aata aatc aatt abaa abab abac abae abaj abam abat abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet abma abmb abmc abmt aboa abob aboo abot abta ac-t acaa acab acac acae acat acba acca accc acce accm acco acct ace- acea acec acem acet acma acmc acme acoa acoe acom acot acta actc acte acto actt aeac aecb aect aemt aeom aeta aetc aeto aett ajab ajac ajam ajao ajat ajba ajee ajet ajob ajoo ajot amaa amac amae amaj amam amat amb- amba ambe ambo amca amcc amco amec amee amet amm- amma amme ammo amob amoc amoj amoo amot amta amtc amte amto aoba aoca aoce aoma aotc at-t ataa atab atac atae atat atca atcc atco atea atec atee atem ateo atm- atma atme atmo atob atoc atoe atom atot atta atte atto baaa baam baat baba babb babe babm babo bac- baca bacc bace baco bact baja bama bamb bamc bame bamm bata batc bate bato batt bbbb bbcm bbeb bbet bcaa bcam bcat bcbc bcca bccc bccm bcec bcet bcma bctc beam beat beba bebb bebe bebo beca beeb beej beem beet beja bema beme beo- beot beta betc bete beto bett bjcc bjec bjoa bmaa bmaj bmce bmoc bmtc boab boac boat boba bobb bobe bobo boca boce bocm boco boea boec boee boeo boet bojo bojt boma bomb bome bomt boob booc booe boom boot bota botb bote boto bott btaa btcc btec btob bttb c-bo caaa caab caac caam caat caba cabe cabo cac- caca cacc cace cacm caco caec caem caja cama camb camc came camm camo camt cat- cata catb catc cate catm cato catt cbac cbat cbbc cbca cbcc cbce cbcm cbct cbea cbec cbee cbet cbme cbot cbta cbtc ccaa ccab ccac ccam ccat ccba ccbc ccca cccb cccc cccm ccee ccjo ccma ccmb ccmc ccmm ccob ccoc ccom cctb cctc cctt ceac ceat ceba cec- ceca cece cecm ceco cect ceeb ceec ceem ceja cejc cema cemb ceme cemm cet- ceta cete ceto cjbc cjca cjcb cjcj cjme cjmt cjob cmaa cmac cmaj cmba cmbc cmcc cmea cmec cmmb cmmc cmoc cmot cmta cmtc coat coba cobb cobe cobo coca coce coco coct cojo com- coma comb comc come comm como coob coom coot cota cotb cotc cote coto cott ctab ctae ctba ctca ctec ctma ctmo ctot ctta eaba eaca eacc eaec eama eame eaom eata eate ebac ebam ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecam ecao ecat ecbc ecbe ecca eccb eccc ecce eccm ecco ecct ecem ecma eco- ecot ect- ecta ectc ecto eeca eeea eeee eemo eeoc eeta eetc eete ejob ejoo ejot emac emae emaj emam emba embe embo emcc emco emet emjc emma emme emta emte eota eotc eoto etam etat etbc etcc etco etec etee etem etoe etta ette etto jaba jabo jaca jacc jace jaco jaja jama jamb jamo jato jbaa jbob jcbc jccc jeat jebb jebe jeem jeet jema jemm jemo jeta jetb jete jett jjam jjcc jmcc jmet jmtc joab joao joba jobe jobo joca joce joco joea joee joem jojo joma jomo joom joot jota joto jott jtac jtbc jtcc maaa maac maam maat maba mabe mabo mac- maca macb macc mace maco mact maee maem maeo maja majc majo mama mamc mame mamo maoc mata matc mate mato matt mbac mbam mbba mbca mbta mcaa mcac mcat mcba mcbc mcca mccc mccj mcmc mcmt mcot mctc meat mebe mebo mec- meca mecc mece meco meem meet meja meje mema memc meme memo meoc met- meta mete meto mett mjet mmaa mmab mmac mmcc mmcm mmct mmea mmjb mmmc mmmm moaa moab moac moam moat moba mobb mobe mobo moca moco moea moet moja mojo moma mome momo mooa moob mooc mooe moot mota motb mote motm moto mott mtaa mtab mtac mtbc mtbo mtoa mtoe mtom o-eo oama oate obba obbo obea obec obet obja oboe obot ocab ocac ocam ocat ocbc occa occc occt oce ocee ocet ocma ocom oct- octa octe octo oec- oeca oecc oeec oeme oeta ojea omac omam omao ombe ombo omca omee omeo omet omma omo- omoa omoe omoo ooaa ooba oobe ooma oome oooo ootb otac otea otee otem otma oto- otoe otoo otta otte otto t-mo taa- taat taba tabb tabc tabe tabo taca tacc tace taco tact taec taem tajo tama tamc tame tamm tamo taoa taom tata tatb tate tato tatt tbca tbcb tbcc tbce tbta tcam tcca tccc tcom tctc teac team teat teba tebo teca teco tect teec teej teem teet teja tejo tema teme temo teom teta tete teto tett tmaa tmac tmbc tmca tmcc tmcm tmtt toab toam toat toba tobe tobo tobt toca toce toco toea toee toet toja tojo toma tomb tome tomm tomo tomt tooa toom toot tota totc tote totm toto tott ttab ttbb tteo ttma ttoe tttt