a-a a-b a-c aaa aab aac aak aar aau ab- aba abb abc abk abr abu ac- aca acb acc ack acr acu aka akb akc akk akr aku ar- ara arb arc ark arr aru au- aua aub auc auk aur b-u baa bab bac bak bar bau bba bbb bbc bbk bbr bbu bca bcb bcc bck bcr bcu bka bkb bkc bkk bkr bra brb brk brr bru bua bub buc buk bur buu c-- caa cab cac cak car cau cba cbb cbc cbk cbr cbu cca ccb ccc cck ccr ccu cka ckb ckc cra crb crc crk crr cru cua cub cuc cuk cur cuu ka- kaa kab kac kak kar kau kba kbb kbc kbk kbr kbu kca kcb kcc kck kcr kcu kkb kkc kkk kkr kku kra krc krk krr kru kub kuc kuk kur kuu ra- raa rab rac rak rar rau rba rbb rbc rbk rbr rbu rca rcb rcc rcr rcu rkb rkc rkk rku rra rrb rrc rrk rrr rru rua rub ruc ruk rur ruu ua- uaa uab uac uak uar uau uba ubb ubc ubk ubr ubu uca ucb ucc uck ucr ucu uka ukb ukc ukk ukr uku ur- ura urb urc urk urr uru uua uuc uur uuu

a-ak aaaa aaab aaac aaar aaba aabb aabc aaca aacb aacc aack aacr aacu aaka aaku aara aarc aaru abaa abab abac abak abar abau abb- abba abbb abbr abca abcb abcc abcr abra abrc abua abuk acaa acab acac acar acba acca accc accu acr- acra acrc acrr acu- acur akaa akar akca akka akku akr- akra akua arab arac arak arar arau arba arc- arca arka arr- arra arrc arrk arrr arru arua arub auaa auca aur- aura baaa baak baar baba babb babr babu bac- baca bacc back bak- baka bakr baku bar- bara barb barc bark barr baru bau- bauk baur bbau bbbb bbrc bcaa bcar bcbc bcca bccc bcra bcru bcuc brab brac brak brau brca brcb brka brkb brrr bruc buar buba bubb bubu buca bucc buck bucu buka bukk buku bur- bura burb burk burr buru caaa caab caac caba cabu cac- caca cacc cack cacr caka cara carb carc cark carr cauc cauk cbac cbar cbbc cbca cbcc cbcr cbcu cbka cbkr ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccra ccrc ccuc ckac ckbc ckck ckrc crab crac crar crau crbc crbu crca crcc crcr crkc crub cruk cuau cub- cuba cubb cuca cucc cuck cuk- cuka cura curb curr kaaa kaab kaak kaar kaba kabb kabc kabr kabu kacb kacc kacu kaka kakc kakk kaku kara karb kark karr karu kau- kaub kauc kauk kaur kbaa kbab kbac kbak kbar kbba kbbb kbbc kbbk kbbr kbbu kbca kbcb kbck kbcr kbcu kbkb kbkk kbkr kbra kbrb kbrc kbrk kbru kbua kbub kbuc kbuk kbur kbuu kcaa kcab kcac kcar kcau kcba kcbc kcbk kcbr kcbu kcca kccb kccc kcck kccr kccu kckc kckk kckr kcrc kcrr kcru kcua kcub kcuk kkaa kkac kkar kkba kkbb kkbr kkcb kkck kkcr kkkk kkrb kkrc kkrk kkrr kkua kkuu krab krac krak krar krba krbb krbk krbr krca krcb krcc krcu krka krkc krkk krkr krku krrb krrc krrk krrr krua kruc kruk krur kuac kuar kuau kuba kubb kubc kubr kubu kuca kucb kucc kucr kuka kukk kuku kura kurb kurk kurr kuru kuub kuuk kuur kuuu raab raak raba rabb rabk rabu rac- raca racc rack racu raka rakk raku rara rarb rark raua raub rauc rauk rbbb rbbr rcac rcbc rccb rccc rrrr ruba rubb rubu ruca ruck ruka rukk ruku rura rurc ruru uabc uaca uarc uaru uaua ubac ubar ubba ubra ucak ucar ucbc ucca ucka ucrc ucua ukba ukcc ukra ukrc ukur urac urau urba urca urka urra uruk urur uuuu

-aaa- aaarc aabaa aabba aabra aacbc aarau abaab ababa ababu abaca aback abaka abara abaru abbac abbar abbur abccc abkar abrac abrak abrar abura aburr acaca acacb acack acar- acara acaua accra accub accur acrab acuba acura akaba akbar akbuk akkra akkub akkur akrak akrar akuku akura ar-ab ara-c arab- araba araca arack araku arara araru arbab arbar arkar arrak arrau arrua aruaa aruac aruba arura aruru aukra aurar aurkc aurra b-r-k babak babar babau babka babra babur bacab bacar bacca back- backa bacu bakar bakau bakka bakra bakrc bakur baraa barab barac barak barar barba barbu barca bark- barka barra barru barua baruc baura bauru braak braca bracc brack brrar brrrr bruck bubba bubka bucak bucca bucka bucku bucur bukac bukk- buraa burak burca burck burcu burka burra burru buruc buruk c-a-c ca-ca caaba cabra cacak cacau cacu cakra caraa carab carac carak carau carb- carck cark- carra cauac cauca ccccc craba crabb crack cruck crura cuaba cubra cubub cucuk curac curar curau curua k-car k-rab kaaba kaabu kaaru kabaa kabab kabak kabar kabba kabru kabua kabur kacar kakar kakau kakka kakku kakra kakur karak karbu karka karku karuk karur kaura kauru kraak kraar krack kraka kuaka kuara kubau kubba kubra kucuk kukak kukar kukka kukua kukur kurak kurar kurbu kurka kurku kuruc kuruk ra-ra raaba raack rabab rabac rabak rabba racak racka rakaa rakab rccar ruaka ruark rubab rubba rubra rucka rurak rurka uacrr uraba urbar urubu urucu uuuuu

aaaaba aakaru abacab abarca abarka abburu abraka abruka accara ackack ackbar acrack acucar akarca akbaba akbura akkaba akraba akraka akrura akuaba akuaku akubra akurra aracar aracu araua arauca araura arbra arraba arrack aruaru arukku aubrac aucuba auraka baabaa baabar baarbu babacu babarc babbar babrru babura bacaba bacau baccar bakara bakkar bakura baraca barack baraka barara barbar barbra barcar barcau barkur barrak baruar baucau baurua bbbbbb bracak bracca braura brubru buback bububu buccra buckau bukaua bukkur bukuru buraca buraku burbur burcak burkau buruku caback cabar cabara cabarr cabucu cakcak caraca carack caracu carara carbak carcar carru caruck carura caruru cracca crack- cracka cubura cucurb curaca curara curbar curuba curuca ka-bar kaback kabaka kabara kabaru kabbur kabuku kaburu kakara kakkak