a-a a-b a-c a-t aaa aab aac aar aat aau ab- aba abb abc abr abt abu ac- aca acb acc acr act acu ar- ara arb arc arr art aru at- ata atb atc atr att atu au- aua aub auc aur aut b-u baa bab bac bar bat bau bba bbb bbc bbr bbt bbu bca bcb bcc bcr bct bcu bra brb brr brt bru bta btb btc btr btt btu bua bub buc bur but buu c-- caa cab cac car cat cau cba cbb cbc cbr cbt cbu cca ccb ccc ccr cct ccu cra crb crc crr crt cru cta ctb ctc ctr ctt ctu cua cub cuc cur cut cuu ra- raa rab rac rar rat rau rba rbb rbc rbr rbt rbu rca rcb rcc rcr rct rcu rra rrb rrc rrr rrt rru rta rtb rtc rtr rtt rtu rua rub ruc rur rut ruu taa tab tac tar tat tau tba tbb tbc tbr tbt tbu tca tcb tcc tcr tct tcu tra trb trc trr trt tru tta ttb ttc ttr ttt ttu tua tub tuc tur tut tuu ua- uaa uab uac uar uat uau uba ubb ubc ubr ubt ubu uca ucb ucc ucr uct ucu ur- ura urb urc urr urt uru uta utb utc utr utt utu uua uuc 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 abar abat abau abb- abba abbb abbr abbt abca abcb abcc abcr abct abra abrc abta abtu abua abut ac-t acaa acab acac acar acat acba acca accc acct accu acr- acra acrc acrr acta actc actt actu acu- acur acut arab arac arar arat arau arba arc- arca arct arr- arra arrc arrr arrt arru arta artc artr arua arub arut at-t ataa atab atac atar atat atca atcc atcr atra atrc atru atta attr attu atua atub atuc atur auaa auca auct aur- aura aut- baaa baar baat baba babb babr babu bac- baca bacc bact bar- bara barb barc barr bart baru bata batc batt batu bau- baur bbau bbbb bbrc bcaa bcar bcat bcbc bcca bccc bcra bcru bctc bcuc brab brac brat brau brca brcb brrr brtc bruc brut btaa btcc btrc btrt bttb buar buat buba bubb bubu buca bucc bucu bur- bura burb burr burt buru but- buta butt caaa caab caac caat caba cabu cac- caca cacc cacr cara carb carc carr cart cat- cata catb catc catt catu cauc caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccu ccra ccrc ccrt cctb cctc cctt ccuc ccut 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 cutt raab raat raba rabb rabu rac- raca racc ract racu rara rarb rata ratt ratu raua raub rauc raut rbbb rbbr rcac rcbc rccb rccc rctc rrat rrrr rtca rtcc ruba rubb rubu ruca ruct rura rurc ruru ruta rutt rutu taa- taar taat taba tabb tabc tabu taca tacc tact tara tarb tarc tarr tart taru tata tatb tatr tatt tatu taua taub tauc taur taut tbar tbca tbcb tbcc tbrb tbta tcca tccc tccu tctc 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 tura turb turc 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 urac urat urau urba urca urra urur urut utac utau uttu uuta uuuu

-aaa- aaarc aaata aabaa aabba aabra aacbc aarau abaab ababa ababu abaca abara abaru abbac abbar abbat abbur abccc abrac abrar abtaa abtar abura aburr abuta abutt acaca acacb acar- acara acaua accra accub accur acrab act-r actar actra actua acuba acura acuta ar-ab ara-c araat arab- araba araca arara araru arata arbab arbar arbat arct- arrau arrua artar artat artur aruaa aruac aruba arura aruru aruta atabu atara ataru atbar atbat atrab attar attra attur atura aurar aurat aurra baart baata babar babau babra babur babut bacab bacar bacca bacta bacu baraa barab barac barar barat barba barbu barca barra barru barta barua baruc barut batab batac batar batat batau batra batta battu batur baura bauru bauta bbart bccat braat braca bracc bract bratt bratu braut brrar brrrr bruta btr-t bubba bucca bucur buraa burat burca burcu burra burru burta burtt buruc burut butat butua butut c-a-c c-rat ca-ca caaba cabra cabut cacau cacu caraa carab carac carat carau carb- carra carrt carta cata- catra catta catua catur cauac cauca ccccc craba crabb crura cuaba cubra cubub curac curar curat curau curta curua cutar cutcu ra-ra raaba rabab rabac rabat rabba rabta rabut racta ratau ratba ratra ratta rattu ratua rauta rccar rubab rubat rubba rubra rutab rutar ruutu t-ara t-bar t-cat t-rac ta-ra ta-ta ta-tu taart tabac tabar tabat tabra tabua tabur tabut tacca tarac tarar tarat tarra tarta tartt tartu tarur tataa tatar tatau tatra tatta tattu taur- taura taut- tbtbt tbutt tcart traac traba trabu tract trata tratt traub truba trubu ttttt tuaca tuart tubac tubar tubba tucca tuctu turac turat turau turba turbt turca turtu turua turut tutta tuuru uacrr ubata uraba urata urbar urubu urucu urutu utara uttar uttur uturu uuuuu

aaaaba abacab abarat abarca abarta abatar abatur abburu accara acrata acucar aracar aracu ararat aratta araua arauca araura arbra arcata arraba artcar aruaru arutua at-bat at-tur ataaba atacta atarba atarra atbara atrata atutur aubrac aucuba aurata autrac baabaa baabar baarbu baatar babacu babarc babatu babbar babrru babura bacaba bacau baccar bactra baraat baraca barara barata baraut barbar barbat barbra barcar barcau barrat bartab bartra baruar baruta barutu batara batata batcat baturu baucau baurua bautar bautta bbbbbb