-er a-a a-b aaa aab aae aak aar aau ab- aba abb abe abk abr abu aea aeb aee aek aer aeu aka akb ake akk akr aku ar- ara arb are ark arr aru au- aua aub aue auk aur b-u baa bab bae bak bar bau bba bbb bbe bbk bbr bbu be- bea beb bee bek ber beu bka bkb bke bkk bkr bra brb bre brk brr bru bua bub bue buk bur buu eaa eab eae eak ear eau eba ebb ebe ebk ebr ebu eea eeb eee eek eer eka ekb eke ekr eku era erb ere erk err eru eu- eua eub eue eur ka- kaa kab kae kak kar kau kba kbb kbe kbk kbr kbu ke- kea keb kee kek ker kkb kke kkk kkr kku kra krk krr kru kub kue kuk kur kuu ra- raa rab rae rak rar rau rba rbb rbe rbk rbr rbu re- rea reb ree rek rer reu rkb rke rkk rku rra rrb rrk rrr rru rua rub rue ruk rur ruu ua- uaa uab uae uak uar uau uba ubb ube ubk ubr ubu uea ueb uee uer uka ukb uke ukk ukr uku ur- ura urb ure urk urr uru uua uue uur uuu

a-ak a-be aaaa aaab aaae aaar aaba aabb aaea aaka aake aaku aara aare aaru abaa abab abae abak abar abau abb- abba abbb abbe abbr abee aber abra abua abue abuk aeer aeka aer- aera akaa akae akar akee aker akeu akka akku akr- akra akre akua arab arae arak arar arau arba arbe area aree arek areu arka arke arr- arra arre arrk arrr arru arua arub arue auaa aube auer auke aur- aura aure baaa baak baar baba babb babe babr babu baek baer bak- baka bake bakr baku bar- bara barb bare bark barr baru bau- bauk baur bbau bbbb bbeb beak bear beau beba bebb bebe beeb beek beer beka beke bera bere berk berr beru beuk beur brab brae brak brau brea breb bree brek brer brka brkb brrr brue buar buba bubb bube bubu buea buer bueu buka buke bukk buku bur- bura burb bure burk burr buru eaba eara earb eare ebba ebbr eber ebru ebur eeea eeee eeka eeke eera eka- ekab ekeb ekek eker ekka ekur erau erba erbb erbe ereb erer erke erra erre erua erub erur euba euer eur- eura eure kaaa kaab kaak kaar kaba kabb kabe kabr kabu kaer kaka kake kakk kaku kara karb kare kark karr karu kau- kaub kaue kauk kaur kbaa kbab kbae kbak kbar kbba kbbb kbbe kbbk kbbr kbbu kbeb kbee kbek kber kbkb kbkk kbkr kbra kbrb kbre kbrk kbru kbua kbub kbue kbuk kbur kbuu kea- keak kear keau keba kebb kebe kebr kebu keek keer keka kekb keke keku ker- kera kerb kere kerk kerr keru keur kkaa kkar kkba kkbb kkbe kkbr kkea kkkk kkrb kkre kkrk kkrr kkua kkuu krab krae krak krar krba krbb krbe krbk krbr krea kreb kree krek kreu krka krke krkk krkr krku krrb krre krrk krrr krua krue kruk krur kuar kuau kuba kubb kube kubr kubu kuek kueu kuka kuke kukk kuku kura kurb kure kurk kurr kuru kuub kuuk kuur kuuu raab raak raba rabb rabe rabk rabu raer raka rake rakk raku rara rarb rare rark raua raub raue rauk rbbb rbbr rea- reae reak rear reau reba rebb rebe rebk rebu reeb reek reka reke rera rere reru reue reuk reuu rrrr ruba rubb rube rubu ruer ruka ruke rukk ruku rura rure ruru uaru uaua ubar ubba ubbe ubek uber ubra ueba ukba ukek ukeu ukra ukur urau urba urbe ure- urea urka urke urra urre uruk urur uuuu

-aaa- aaaee aabaa aabba aabra aaker aakre aarau abaab ababa ababe ababu abaer abaka abake abara abare abaru abbar abbur abear abeau abeba abebe abeer abekr abera abere aberr abeuk abkar abrak abrar abrek abreu abura aburr aeaea aebbe aerru aka-e akaba akare akbar akbuk akera akker akkra akkub akkur akrak akrar akuku akura akure ar-ab arab- araba arabe araea arake araku arara arare araru arbab arbar arbee arber arbre areae arear areek areka areke arere arkar arrak arrau arrea arrua aruaa aruba aruke arura aruru auber aukra aurae aurar aurea aurra b-r-k baabe baake babak babar babau babee babek baber babka babra babur bakar bakau bakea baker bakka bakke bakra bakur baraa barab barak barar barba barbe barbu barea barek barer bark- barka barke barra barre barru barua bauer bauke baura baure bauru bbbee bbear be-er beara beare bebar bebek beber bebra beebe beeke bekaa beker bekka bekke bekra berak berar berau berba berbe berea berek berk- berka berke berra berre berru beuer beure braak brake break breba brebu breek breer breke brera brere breu- brrar brrrr bruer bruke bubba bubbe buber bubka buker bukk- buraa burak burea burek burka burke burra burru buruk eaker earar ebara ebber ebure eeeee ekaru ekker ekuku ekuru erbaa erbar erbbe erber erear erere erkak eruke eurre k-rab kaaba kaabu kaaru kabaa kabab kabak kabar kabba kaber kabru kabua kabur kaera kakae kakar kakau kakka kakke kakku kakra kakur karak karbu karee karka karku karre karuk karur kauer kaura kauru keaau keare kebab kebar kebbe kebek keber kebra keera keere kera- kerar kerek kerre kerua keuka kraak kraar kraka krake kreek kreka kreke kreuk kuaka kuara kubau kubba kubek kuber kubra kukak kukar kukka kukua kukur kurak kurar kurbu kurek kurka kurku kurre kuruk ra-ra raaba raabe rabab rabak rabba rabbe rabke rakaa rakab rakee rakek raker rakke rarae rareb raree rarer reake rear- reaue rebab rebak rebar rebbe reber rebra reere rekka rekke rere- reree reuar reuer ruaka ruark rubab rubba rubee ruber rubke rubra ruere rukke rurak rurka uber- ukaea ukeke uraba urare urbar urea- ureae urera urker urrea urubu uuuuu

aaaaba aakaru aakera abaera abarka abburu abeere aberra abraka abreak abrera abruka akbaba akbura akeake akebar akkaba akkare akraba akraka akrura akuaba