a-be aaaa aaab aaac aaae aaam aaba aabb aabc aabm aabt aaca aacb aacc aace aacm aact aacu aaea aaec aaem aama aamb aamc aame aata aatc aatt abaa abab abac abae abam abat abau abb- abba abbb abbe abbt abca abcb abcc abct abec abee abet abez abma abmb abmc abmt abta abtu abua abue abum abut abza abzu ac-t acaa acab acac acae acat acba acca accc acce accm acct accu ace- acea acec acem acet acma acmc acme acmu acta actc acte actt actu acu- acue acum acut aeac aecb aect aemt aeta aetc aett amaa amac amae amam amat amaz amb- amba ambe ambu amca amcc amec amee amet ameu amm- amma amme ammu amta amtc amte amua amum at-t ataa atab atac atae atat atca atcc atea atec atee atem atez atm- atma atme atmu atta atte attu atua atub atuc atum auaa aube auca auce auct auma aut- aute aza- azab azat azaz azca azem azet azua azza baaa baam baat baaz baba babb babe babm babu bac- baca bacc bace bact bacz baez bama bamb bamc bame bamm bamu bata batc bate batt batu batz bau- baum baza baze bazm bbau bbbb bbcm bbeb bbet bcaa bcam bcat bcbc bcca bccc bccm bcec bcet bcma bctc bcuc beam beat beau beba bebb bebe beca becu beeb beem beet bema beme bemu beta betc bete bett betu betz beze bezu bmaa bmce bmtc btaa btcc btec bttb buat buba bubb bube bubu buca bucc buce bucu bucz buea buem bueu bum- buma bumb but- buta bute butt butz buuz buza buze buzz bzzt bzzz caaa caab caac caam caat caba cabe cabu cac- caca cacc cace cacm caec caem caeu cama camb camc came camm camt cat- cata catb catc cate catm catt catu catz cauc caum caut caza caze cbac cbat cbbc cbca cbcc cbce cbcm cbct cbcu cbea cbec cbee cbet cbme cbta cbtc ccaa ccab ccac ccam ccat ccba ccbc ccca cccb cccc cccm cccu ccee ccma ccmb ccmc ccmm cctb cctc cctt ccuc ccut ceac ceat ceba cebu cec- ceca cece cecm cect ceeb ceec ceem cema cemb ceme cemm cemu cet- ceta cete ceza ceze cmaa cmac cmba cmbc cmcc cmea cmec cmmb cmmc cmta cmtc cmtu ctab ctae ctba ctca ctec ctma ctta cuau cub- cuba cubb cube cuca cucc cuce cucm cum- cuma cume cumt cut- cuta cutc cute cutt eaba eaca eacc eaec eama eame eata eate ebac ebam ebba ebbc ebcc ecaa ecac ecam ecat ecbc ecbe ecca eccb eccc ecce eccm ecct ecem ecma ect- ecta ectc ecua eeca eeea eeee eeta eetc eete eetu eeze emac emae emam emba embe emcc emet emeu emma emme emmu emta emte etam etat etbc etcc etec etee etem etta ette ettu etua etuz euba eubc eumc ezem ezuz maaa maac maam maat maba mabe mabu mac- maca macb macc mace mact macu maee maem maez mama mamc mame mamu mata matc mate matt matu matz maua maum maut mauz maz- maza maze mazu mazz mbac mbam mbba mbca mbta mcaa mcac mcat mcba mcbc mcca mccc mcmc mcmt mctc mctu meat mebe mec- meca mecc mece meem meet meez mema memc meme memu memz met- meta mete mett metu metz meum meza meze mezz mmaa mmab mmac mmcc mmcm mmct mmea mmmc mmmm mtaa mtab mtac mtbc mtuc muac mube muc- mucc muce mucu muee muet muma mume mumm mumu muta mute mutt mutu muut muza muze muzz mzab mze mzee taa- taat taba tabb tabc tabe tabu taca tacc tace tact taec taem tama tamc tame tamm tamu tata tatb tate tatt tatu tatz taua taub tauc taue taum taut taza taze tazz tbca tbcb tbcc tbce tbta tcam tcca tccc tccu tctc teac team teat teaz teba tebu teca tect teec teem teet teez tema teme temu teta tete tett tetu tetz teut teza tezu tezz tmaa tmac tmbc tmca tmcc tmcm tmtt ttab ttbb ttma tttt tuae tuam tuat tuba tubb tube tubu tuca tucc tuet tuma tumb tume tumu tuta tute tutt tutu tuum tuza tuzu tuzz tzum tzut tzzt uabc uaca uamc uata uatu uaua ubac ubba ubbe ubet ucam ucat ucbc ucca ucea ucmc ucua ucut ueba uetz umaa umac umb- umba umbe umec umet umma umut utac utau utec utmb uttu uuta uuuu uzeb zaat zaba zabu zaca zama zame zaum zaza zazu zcam zcta zctu zeae zeba zebe zebu zeca zeme zeta zete zeze zmeu zmub zubu zuce zuma zuta zuzu zzzz