a-a a-b aaa aab aak aao aar aau ab- aba abb abk abo abr abu aka akb akk ako akr aku aoa aob aok aoo aor aou ar- ara arb ark aro arr aru au- aua aub auk auo aur b-u baa bab bak bao bar bau bba bbb bbk bbo bbr bbu bka bkb bkk bko bkr boa bob bok boo bor bou bra brb brk bro brr bru bua bub buk buo bur buu ka- kaa kab kak kao kar kau kba kbb kbk kbo kbr kbu kkb kkk kkr kku koa kob kok koo kor kou kra krk kro krr kru kub kuk kur kuu oaa oab oak oao oar oau ob- oba obb obk obo obr obu oka okb okk oko okr oku oo- ooa oob ook ooo oor or- ora orb ork oro orr oru ou- oua ouk ouo our ra- raa rab rak rao rar rau rba rbb rbk rbo rbr rbu rkb rkk rko rku roa rob rok roo ror rou rra rrb rrk rrr rru rua rub ruk ruo rur ruu ua- uaa uab uak uao uar uau uba ubb ubk ubo ubr ubu uka ukb ukk ukr uku uoa uob uok uoo uor ur- ura urb urk uro urr uru uua uur uuu

a-ak a-ok aaaa aaab aaar aaba aabb aaka aaku aaoo aara aaro aaru abaa abab abak abar abau abb- abba abbb abbo abbr aboa abob abok aboo abor abou abra abro abua abuk akaa akao akar akka akko akku akok akr- akra akua aoba aora aorb arab arak arar arau arba arka arko aroa arob aroo aror arr- arra arrk arro arrr arru arua arub auaa aur- aura auro baaa baak baar baba babb babo babr babu bak- baka bako bakr baku bar- bara barb bark baro barr baru bau- bauk baur bbau bbbb boab boak boar boba bobb bobo bobu boka boko boku boob book boor bor- bora bork boro borr boru boua bouk bour brab brak brao brau brka brkb broa brob brok broo bror brou brrr buar buba bubb bubo bubu buka bukk buko buku bur- bura burb burk buro burr buru kaaa kaab kaak kaar kaba kabb kabo kabr kabu kaka kakk kako kaku kaoa kaok kaor kara karb kark karo karr karu kau- kaub kauk kauo kaur kbaa kbab kbak kbar kbba kbbb kbbk kbbo kbbr kbbu kbkb kbkk kbko kbkr kboa kbob kbok kboo kbra kbrb kbrk kbro kbru kbua kbub kbuk kbur kbuu kkaa kkar kkba kkbb kkbo kkbr kkkk kkoa kkob kkoo kkor kkrb kkrk kkro kkrr kkua kkuu koab koak koar koba kobb kobk kobo kobr kobu koka kokb kokk koko kokr koku koob kook kooo koor koou kora korb kork koro korr koru koua koub kour kouu krab krak krar krba krbb krbk krbr krka krkk krko krkr krku kroa krob krok kroo kror krrb krrk krro krrr krua kruk krur kuar kuau kuba kubb kubo kubr kubu kuka kukk kuku kuoa kuok kuoo kura kurb kurk kuro kurr kuru kuub kuuk kuur kuuu oaau oara obak obba obbo obkb obok obor obra obro okak okka okko okok okor okra okro okur ooaa ooak ooba ooku oooo oora orab orak orao orar orba orbb orbo orbu orka orko oro- orok oror orra orro orub our- oura ouro ouu- raab raak raba rabb rabk rabo rabu raka rakk raku raob raok rara rarb rark raro raua raub rauk rbbb rbbr roab roak roar rob- roba robb robo robu roka rokk roko rokr roku roob rook roor rora rork roro roru roua roub rouk rrrr ruba rubb rubu ruka rukk ruku ruok rura ruro ruru uaru uaua ubar ubba ubbo ubra ukba ukko ukok ukra ukur uor- urao urau urba urka uro- uroa urok uroo urra uruk urur uuuu

-aaa- aabaa aabba aabra aakko aarau abaab ababa ababu abaka abako abara abaru abbar abbou abbur abkar abkoo aboab abobo abook abora abrak abrar abuko abura aburr akaba akabo akaoa akbar akbou akbuk akkra akkub akkur akobo akoka akoko akrak akrar akro- akuku akura ar-ab arab- araba arabo araku arara araru arbab arbar arbok arbor arkar aroab aroar aroba aroor arora arrak arrau arrou arrua aruaa aruba arura aruru aukra aurar auro- auroa auror aurra b-r-k babak babar babau babka baboo babou babra babur bakar bakau bakka bakoa bakra bakur baoro baraa barab barak barao barar barba barbu bark- barka baro- baroa barok baroo baror barra barro barru barua baubo baura bauru bbook bo-bo boaro bobak bobar bobko bobok bobr bokaa bokko bokok bokor booba booko boora booru borak borau borba borbo borka borko borku boro- boroa borok boroo borou borra borro bouar bouba bouka bouko boura braak brako broak brobo brook brora brouk brrar brrrr bubba bubka bukk- bukor buraa burak burao burka buroo burra burro burru buruk k-a-o k-rab k-rob kaaba kaabu kaaru kabaa kabab kabak kabar kabba kabob kabou kabro kabru kabua kabur kakao kakar kakau kakka kakko kakku kako- kakra kakur kaooa kaoru karak karbu karka karku karob karok karoo karuk karur kauko kaura kauro kauru ko-ko koara kobar kobra kobru kobuk kokab kokak kokka kokko kokor kokou kokra kokur kooba kooka kooru korab korak korba korbo korku koroa koror korra korro koruk kouba kouka koura kraak kraar kraka kuaka kuara kubau kubba kubok kubra kukak kukar kukka kukko kukok kukua kukur kurak kurar kurbu kurka kurku kuruk o-r-b oaror obaba obaku obara obora oboro obrab obrok okaka okara okkur okobo okoro okubo okuka okuku okura okuru ooooo oraba orara orobo oroua oruku oruro ouaka ouako ouara ouoro ourba ra-ra raaba raaor rabab rabak rabba rabor rabou rakaa rakab ro-ro roark robab robak robar robbo robo- robor robur rokkk rokua rooba rorbu rorra rouba rouko roura ruaka ruark rubab rubba rubor rubra rurak rurka uaroo ubobo ukobu uraba urbar uroob urour urrao urubu uuork uuuuu

aaaaba aabroo aakaru ababou abarka abaroa abburu abobra abraka abrook abruka aka-bo akakor akaroa akbaba akbura akkaba akraba akraka akrura akuaba akuaku akubra akurra aoukar aourou arabo- ararao araua araura arbour arbra