aaaa aaab aaac aaad aaam aaba aabb aabc aabd aabm aabt aaca aacb aacc aacd aacm aact aacu aada aadc aadt aadu aama aamb aamc aamd aata aatc aatt abaa abab abac abad abam abat abau abb- abba abbb abbt abca abcb abcc abcd abct abda abdu abma abmb abmc abmt abta abtu abua abud abum abut ac-t acaa acab acac acad acat acba acca accc accd accm acct accu acda acdb acdc acdm acdt acma acmc acmu acta actc actt actu acu- acum acut adaa adab adac adad adam adat adba adbc adcc adda addc addd addu adma admb adta adua adub amaa amac amad amam amat amb- amba ambu amca amcc amda amdt amm- amma ammu amta amtc amua amud amum at-t ataa atab atac atad atat atca atcc atdt atm- atma atmu atta attu atua atub atuc atum auaa auca auct audc auma aut- baaa baad baam baat baba babb babm babu bac- baca bacc bact bada badb badd badu bama bamb bamc bamm bamu bata batc batt batu bau- baud baum bbad bbau bbbb bbcm bbdd bcaa bcam bcat bcbc bcca bccc bccm bcda bcma bctc bcuc bdbc bddc bmaa bmdb bmtc btaa btcc btdt bttb buad buat buba bubb bubu buca bucc bucu buda budb budd budu bum- buma bumb but- buta butt c-cd caaa caab caac caam caat caba cabu cac- caca cacc cacm cada cadc cadd cadm cadu cama camb camc camm camt cat- cata catb catc catd catm catt catu cauc caum caut cbac cbat cbbc cbca cbcc cbcm cbct cbcu cbdb cbdc cbta cbtc ccaa ccab ccac ccad ccam ccat ccba ccbc ccca cccb cccc cccm cccu ccdc ccdm ccma ccmb ccmc ccmd ccmm cctb cctc cctt ccuc ccut cdaa cdac cdad cdba cdda cddb cdma cmaa cmac cmba cmbc cmcc cmda cmdb cmmb cmmc cmta cmtc cmtu ctab ctba ctca ctma ctta cuau cub- cuba cubb cuca cucc cucm cuda cum- cuma cumt cut- cuta cutc cutt daab daad daam daau daba dabb dabt dabu daca dact dada dadu dama damb damm damu data datt datu daub daud daum daut dbcc dbtt dcbc dcca dccb dccc dcct dccu dcdb dcma dcmu dctc dctm dddd ddub dmaa dmab dmac dmba dmcc dmcm dmdc dmdt dtaa dtac dtcc duaa duab duad duat dub- duba dubb dubc dubu duca duct duda dudd dudu duma dumb dumm duta duut maaa maac maad maam maat maba mabu mac- maca macb macc macd mact macu mada madb madc madd madt mama mamc mamu mata matc matt matu maua maud maum maut mbac mbam mbba mbca mbda mbdb mbta mcaa mcac mcad mcat mcba mcbc mcca mccc mccd mcdc mcdd mcmc mcmt mctc mctu mdac mdat mdca mdcc mddm mdma mdmc mdta mdud mmaa mmab mmac mmcc mmcd mmcm mmct mmda mmdb mmdc mmmc mmmd mmmm mtaa mtab mtac mtbc mtbd mtuc muac muc- mucc mucu muda mudd mudu muma mumm mumu muta mutt mutu muut taa- taat taba tabb tabc tabu taca tacc tact tada tama tamc tamd tamm tamu tata tatb tatt tatu taua taub tauc taum taut tbca tbcb tbcc tbcd tbta tcad tcam tcca tccc tccu tcdd tctc tdac tddb tdma tmaa tmac tmbc tmca tmcc tmcm tmtt ttab ttbb ttma tttt tuam tuat tuba tubb tubu tuca tucc tudu tuma tumb tumu tuta tutt tutu tuum uabc uaca uamc uata uatu uaua ubac ubba ubud ucad ucam ucat ucbc ucca ucdc ucdd ucmc ucua ucut udaa udad udau udbc udca udma udmc umaa umac umb- umba umma umut utac utau utmb uttu uuta uuuu