a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aach aacr aact aacu aagh aaha aara aarc aart aaru aata aatc aatt abaa abab abac abag abar abat abau abb- abba abbb abbr abbt abca abcb abcc abch abcr abct abha abhr abra abrc abta abtu abua abug abut ac-t acaa acab acac acag acar acat acba acca accc acch acct accu acga acgr acha achh achr acht achu acr- acra acrc acrr acta actc actg acth actt actu acu- acur acut agac agag agar agat agau agba agca agcc agct agga aggu agha aght agra agta agtr agua agur agut ahab ahac ahah ahar ahat ahau ahha ahra ahrc ahrr ahta ahua ahug arab arac arag arah arar arat arau arba arbh arc- arca arch arct arga argb argh arh- arr- arra arrc arrg arrh arrr arrt arru arta artc arth artr arua arub arug arut at-t ataa atab atac atar atat atca atcc atch atcr atha atra atrc atru atta attr attu atua atub atuc atug atur auaa auca auch auct auga auht aur- aura aut- auth auug baaa baah baar baat baba babb babr babu bac- baca bacc bach bact baga bagg bagh bagt baha bahr baht bahu bar- bara barb barc barg barh barr bart baru bata batc bath batt batu bau- baug baur bbau bbbb bbch bbga bbrc bbrg bcaa bcar bcat bcbc bcbg bcca bccc bcra bcru bctc bcuc bgca bght bhag bhar bhat bhca bhcc bhra bhrt bhur bhut bhuu brab brac brag brah brat brau brca brcb brrr brtc bruc brug bruh brut btaa btcc btrc btrt bttb buar buat buba bubb bubu buca bucc buch bucu buga bugg bugh buha buhr bur- bura burb burg burh burr burt buru but- buta butt caaa caab caac caah caat caba cabg cabu cac- caca cacc cach cacr caga cagg cagr caha caht cara carb carc carr cart cat- cata catb catc cath catt catu cauc caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbga cbgb cbha cbrh cbrt cbta cbtc ccaa ccab ccac ccag ccar ccat ccba ccbc ccca cccb cccc cccu ccga ccgc ccgt ccha cchr ccra ccrc ccrg ccrt cctb cctc cctt ccuc ccut cgac cgcc cgcg cgtu chaa chab chac chag chah char chat chau chca chch chgb chha chra chrb chrc chrr chrt chtr chtt chua chub chug chur chut 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 cuth cutt gaar gaba gabb gabr gabt gabu gach gaga gagg gagu gaha gara garb garg garr gart gata gatc gath gatr gatt gaua gaub gaur gaut gbag gc-c gcaa gcat gcbc gccc gcrg gctc ggbt gggg gghg ghar ghat ghug 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 guch guga gugb gugg gugh gugu guha guhr gura gurb gurg gurh gurr gurt guru guta guth gutt gutu haab haag haar haat haba habt habu hag- haga hagg hagh haha haht hara harc harh harr hart haru hata hatb hath hatt hatu hau- haug haut hbag hbar hbtu hcat hcbc hcca hccb hccc hcch hcgh hgah hgar hggc hgtc hhaa hhat hhgg hhhh hrac hrrc hrta hrtb htab htcc htra httr huac huah huba hubb huch hucu hugg hugh huhu hura hurr hurt huru huta huth hutt hutu huub raab raag raat raba rabb rabu rac- raca racc rach ract racu raga ragg ragh ragu raha rahr raht rahu rara rarb rata rath ratt ratu raua raub rauc raut rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rcrg rctc rctg rgba rgtr rhag rhau rhbg rhcg rhug rrah rrat rrrr rtca rtcc rtcg ruag ruah ruba rubb rubu ruca ruch ruct ruga rugg rugh ruhh ruhr rura rurc ruru ruta ruth rutt rutu taa- taag taar taat taba tabb tabc tabu taca tacc tach tact taga tagg tagh tagu taha tahr tahu tara tarb tarc targ tarr tart taru tata tatb tath tatr tatt tatu taua taub tauc taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tcga tch- tcha tchh tchr tchu tctc tgcc tgtc thaa thag thar that thau thca thch thra thru thtb thtr thug thur 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 tuch tuga tugg tugh tugu tuht tuhu tura turb turc turg turr turt turu tuta tutt tutu uabc uaca uarc uart uaru uata uath uatu uaua ubac ubar ubba ubra ucar ucat ucbc ucca ucha ucrc ucua ucut ugab ugar ugcc ugcg uggt ugra ugta ugur uguu uhta uhuh urac urat urau urba urca urch urga urgh urgu urra urrh urth urur urut utac utah utau utha uttu utug uuta uuuu