a-ha aaaa aaab aaac aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aach aacr aact aacu aaha aara aarc aart aaru aata aatc aatt abaa abab abac abar abat abau abb- abba abbb abbr abbt abca abcb abcc abch abcr abct abha abhr abra abrc abta abtu abua abut ac-t acaa acab acac acar acat acba acca accc acch acct accu acha achh achr acht achu acr- acra acrc acrr acta actc acth actt actu acu- acur acut ahab ahac ahah ahar ahat ahau ahha ahra ahrc ahrr ahta ahua arab arac arah arar arat arau arba arbh arc- arca arch arct arh- arr- arra arrc arrh arrr arrt arru arta artc arth artr arua arub arut at-t ataa atab atac atar atat atca atcc atch atcr atha atra atrc atru atta attr attu atua atub atuc atur auaa auca auch auct auht aur- aura aut- auth baaa baah baar baat baba babb babr babu bac- baca bacc bach bact baha bahr baht bahu bar- bara barb barc barh barr bart baru bata batc bath batt batu bau- baur bbau bbbb bbch bbrc bcaa bcar bcat bcbc bcca bccc bcra bcru bctc bcuc bhar bhat bhca bhcc bhra bhrt bhur bhut bhuu brab brac brah brat brau brca brcb brrr brtc bruc bruh brut btaa btcc btrc btrt bttb buar buat buba bubb bubu buca bucc buch bucu buha buhr bur- bura burb burh burr burt buru but- buta butt caaa caab caac caah caat caba cabu cac- caca cacc cach cacr 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 cbha cbrh cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccu ccha cchr ccra ccrc ccrt cctb cctc cctt ccuc ccut chaa chab chac chah char chat chau chca chch chha chra chrb chrc chrr chrt chtr chtt chua chub chur chut crab crac crar crat crau crbc crbu crca crcc crcr crrt crtc crub crut ctab ctba ctca ctrc ctta cuau cub- cuba cubb cuca cucc cura curb curr curt cut- cuta cutc cuth cutt haab haar haat haba habt habu haha haht hara harc harh harr hart haru hata hatb hath hatt hatu hau- haut hbar hbtu hcat hcbc hcca hccb hccc hcch hhaa hhat hhhh hrac hrrc hrta hrtb htab htcc htra httr huac huah huba hubb huch hucu huhu hura hurr hurt huru huta huth hutt hutu huub raab raat raba rabb rabu rac- raca racc rach ract racu raha rahr raht rahu rara rarb rata rath ratt ratu raua raub rauc raut rbbb rbbr rcac rcbc rccb rccc rchb rctc rhau rrah rrat rrrr rtca rtcc ruah ruba rubb rubu ruca ruch ruct ruhh ruhr rura rurc ruru ruta ruth rutt rutu taa- taar taat taba tabb tabc tabu taca tacc tach tact taha tahr tahu tara tarb tarc tarr tart taru tata tatb tath tatr tatt tatu taua taub tauc taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tch- tcha tchh tchr tchu tctc thaa thar that thau thca thch thra thru thtb thtr thur traa trab trac trat trau trca trcc trra trtc trtr trub truc trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tuca tucc tuch tuht tuhu tura turb turc 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 uhta uhuh urac urat urau urba urca urch urra urrh urth urur urut utac utah utau utha uttu uuta uuuu