-th a-a a-b a-c a-t aaa aab aac aah aar aat aau ab- aba abb abc abh abr abt abu ac- aca acb acc ach acr act acu aha ahb ahc ahh ahr aht ahu ar- ara arb arc arh arr art aru at- ata atb atc ath atr att atu au- aua aub auc auh aur aut b-u baa bab bac bah bar bat bau bba bbb bbc bbh bbr bbt bbu bca bcb bcc bch bcr bct bcu bha bhb bhc bhh bhr bht bhu bra brb brh brr brt bru bta btb btc bth btr btt btu bua bub buc buh bur but buu c-- caa cab cac cah car cat cau cba cbb cbc cbh cbr cbt cbu cca ccb ccc cch ccr cct ccu ch- cha chb chc chh chr cht chu cra crb crc crh crr crt cru cta ctb ctc cth ctr ctt ctu cua cub cuc cuh cur cut cuu haa hab hac hah har hat hau hba hbb hbc hbh hbr hbt hbu hca hcb hcc hch hcr hct hha hhb hhc hhh hhr hht hhu hr- hra hrb hrc hrh hrr hrt hru hta htb htc hth htr htt hua hub huc huh hur hut huu ra- raa rab rac rah rar rat rau rba rbb rbc rbh rbr rbt rbu rca rcb rcc rch rcr rct rcu rh- rha rhb rhc rhh rhr rht rhu rra rrb rrc rrh rrr rrt rru rta rtb rtc rtr rtt rtu rua rub ruc ruh rur rut ruu taa tab tac tah tar tat tau tba tbb tbc tbh tbr tbt tbu tca tcb tcc tch tcr tct tcu th- tha thb thc thh thr tht thu tra trb trc trh trr trt tru tta ttb ttc tth ttr ttt ttu tua tub tuc tuh tur tut tuu ua- uaa uab uac uah uar uat uau uba ubb ubc ubh ubr ubt ubu uca ucb ucc uch ucr uct ucu uha uhb uhc uhh uhr uht uhu ur- ura urb urc urr urt uru uta utb utc uth utr utt utu uua uuc uur uut uuu

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

-aaa- aaaah aaarc aaata aabaa aabba aabra aacbc aahaa aahat aarah aarau aarch abaab ababa ababu abaca abaht abara abaru abath abbac abbar abbat abbur abccc abhar abrac abrar abtaa abtar abura aburr abuta abutt acaca acacb acar- acara acaua