a-a a-b a-c a-t aaa aab aac aag aar aat aau ab- aba abb abc abg abr abt abu ac- aca acb acc acg acr act acu ag- aga agb agc agg agr agt agu ar- ara arb arc arg arr art aru at- ata atb atc atg atr att atu au- aua aub auc aug aur aut b-u baa bab bac bag bar bat bau bba bbb bbc bbg bbr bbt bbu bca bcb bcc bcg bcr bct bcu bga bgb bgc bgg bgr bgt bgu bra brb brg brr brt bru bta btb btc btg btr btt btu bua bub buc bug bur but buu c-- caa cab cac cag car cat cau cba cbb cbc cbg cbr cbt cbu cca ccb ccc ccg ccr cct ccu cga cgb cgc cgg cgr cgt cgu cra crb crc crg crr crt cru cta ctb ctc ctg ctr ctt ctu cua cub cuc cug cur cut cuu gaa gab gac gag gar gat gau gba gbc gbg gbr gbt gbu gca gcb gcc gcg gcr gct gcu gga ggb ggc ggg ggr ggt ggu gra grb grc grg grr grt gru gta gtb gtc gtg gtr gtt gtu gu- gua gub guc gug gur gut guu ra- raa rab rac rag rar rat rau rba rbb rbc rbg rbr rbt rbu rca rcb rcc rcg rcr rct rcu rga rgb rgc rgg rgr rgt rra rrb rrc rrg rrr rrt rru rta rtb rtc rtg rtr rtt rtu rua rub ruc rug rur rut ruu taa tab tac tag tar tat tau tba tbb tbc tbg tbr tbt tbu tca tcb tcc tcg tcr tct tcu tga tgb tgc tgg tgr tgt tgu tra trb trc trg trr trt tru tta ttb ttc ttg ttr ttt ttu tua tub tuc tug tur tut tuu ua- uaa uab uac uag uar uat uau uba ubb ubc ubg ubr ubt ubu uca ucb ucc ucg ucr uct ucu uga ugb ugc ugg ugr ugt ugu ur- ura urb urc urg urr urt uru uta utb utc utr utt utu uua uuc uug uur uut uuu

aaaa aaab aaac aaar aaba aabb aabc aabt aaca aacb aacc aacr aact aacu aara aarc aart aaru aata aatc aatt abaa abab abac abag abar abat abau abb- abba abbb abbr abbt abca abcb abcc abcr abct abra abrc abta abtu abua abug abut ac-t acaa acab acac acag acar acat acba acca accc acct accu acga acgr acr- acra acrc acrr acta actc actg actt actu acu- acur acut agac agag agar agat agau agba agca agcc agct agga aggu agra agta agtr agua agur agut arab arac arag arar arat arau arba arc- arca arct arga argb arr- arra arrc arrg arrr arrt arru arta artc artr arua arub arug arut at-t ataa atab atac atar atat atca atcc atcr atra atrc atru atta attr attu atua atub atuc atug atur auaa auca auct auga aur- aura aut- auug baaa baar baat baba babb babr babu bac- baca bacc bact baga bagg bagt bar- bara barb barc barg barr bart baru bata batc batt batu bau- baug baur bbau bbbb bbga bbrc bbrg bcaa bcar bcat bcbc bcbg bcca bccc bcra bcru bctc bcuc bgca brab brac brag brat brau brca brcb brrr brtc bruc brug brut btaa btcc btrc btrt bttb buar buat buba bubb bubu buca bucc bucu buga bugg bur- bura burb burg burr burt buru but- buta butt caaa caab caac caat caba cabg cabu cac- caca cacc cacr caga cagg cagr cara carb carc carr cart cat- cata catb catc catt catu cauc caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbga cbgb cbrt cbta cbtc ccaa ccab ccac ccag ccar ccat ccba ccbc ccca cccb cccc cccu ccga ccgc ccgt ccra ccrc ccrg ccrt cctb cctc cctt ccuc ccut cgac cgcc cgcg cgtu crab crac crag crar crat crau crbc crbu crca crcc crcr crrt crtc crub crug crut ctab ctag ctba ctca ctgu ctrc ctta cuau cub- cuba cubb cuca cucc cuga cura curb curr curt cut- cuta cutc cutt gaar gaba gabb gabr gabt gabu gaga gagg gagu gara garb garg garr gart gata gatc gatr gatt gaua gaub gaur gaut gbag gc-c gcaa gcat gcbc gccc gcrg gctc ggbt gggg grab grac grat grau grbr grcc grrr grtc grua grub grug grur grut gtaa gtbr gtcr gtta guaa guac guag guar guat guba gubb gubu guca guga gugb gugg gugu gura gurb gurg gurr gurt guru guta gutt gutu raab raag raat raba rabb rabu rac- raca racc ract racu raga ragg ragu rara rarb rata ratt ratu raua raub rauc raut rbbb rbbr rcac rcbc rccb rccc rcga rcgc rcrg rctc rctg rgba rgtr rrat rrrr rtca rtcc rtcg ruag ruba rubb rubu ruca ruct ruga rugg rura rurc ruru ruta rutt rutu taa- taag taar taat taba tabb tabc tabu taca tacc tact taga tagg tagu tara tarb tarc targ tarr tart taru tata tatb tatr tatt tatu taua taub tauc taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tcga tctc tgcc tgtc traa trab trac trag trat trau trca trcc trra trtc trtr trub truc trug trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tuca tucc tuga tugg tugu tura turb turc turg turr turt turu tuta tutt tutu uabc uaca uarc uart uaru uata uatu uaua ubac ubar ubba ubra ucar ucat ucbc ucca ucrc ucua ucut ugab ugar ugcc ugcg uggt ugra ugta ugur uguu urac urat urau urba urca urga urgu urra urur urut utac utau uttu utug uuta uuuu

-aaa- aaarc aaarg aaata aabaa aabba aabga aabra aacbc aarau abaab ababa ababu abaca abaga abara abaru abbac abbar abbat abbur abccc abgar abrac abrar abtaa abtar abura aburr abuta abutt acaca acacb acar- acara acaua acccg accra accub accur acrab act-r actar actra actua acuba acura acuta agara agata agatu aggag aggar aggat aguar agura ar-ab ara-c araat arab- araba