a-ak a-be a-ok aaaa aaab aaac aaae aaar aaba aabb aabc aaca aacb aacc aace aack aaco aacr aacu aaea aaec aaka aake aaku aaoe aaoo aara aarc aare aaro aaru abaa abab abac abae abak abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcr abec abee aber aboa abob abok aboo abor abou abra abrc abro abua abue abuk acaa acab acac acae acar acba acca accc acce acco accu ace- acea acec acek acer acke acoa acoe acor acou acr- acra acrc acre acro acrr acu- acue acuo acur aeac aecb aeer aeka aer- aera aerc aero akaa akae akao akar akca akee aker akeu akka akko akku akok akr- akra akre akua aoba aoca aoce aoeu aora aorb arab arac arae arak arar arau arba arbe arc- arca arce arco area arec aree arek areo areu arka arke arko aroa arob aroe aroo aror arr- arra arrc arre arrk arro arrr arru arua arub arue auaa aube auca auce auer auke aur- aura aure auro baaa baak baar baba babb babe babo babr babu bac- baca bacc bace back baco baek baer bak- baka bake bako bakr baku bar- bara barb barc bare bark baro barr baru bau- bauk baur bbau bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcor bcra bcru bcuc beak bear beau beba bebb bebe bebo beca beck becu beeb beek beer beka beke beko beo- beok beor bera berc bere berk bero berr beru beuk beur boab boac boak boar boba bobb bobe bobo bobu boca boce bock boco bocu boea boec boee boeo boer boka boke boko boku boob booc booe book boor bor- bora bore bork boro borr boru boua boue bouk bour brab brac brae brak brao brau brca brcb brce brea breb brec bree brek breo brer brka brkb broa brob broc broe brok broo bror brou brrr bruc brue buar buba bubb bube bubo bubu buca bucc buce buck buco bucu buea buer bueu buka buke bukk buko buku bur- bura burb bure burk buro burr buru c-bo caaa caab caac caba cabe cabo cabu cac- caca cacc cace cack caco cacr caec caer caeu caka cake caor cara carb carc care cark caro carr cauc cauk cauo cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbka cbko cbkr cbre ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccee ccob ccoc ccra ccrc ccre ccuc ceac cear ceba cebu cec- ceca cece ceco ceeb ceec ceke ceor ceou cer- cera cerc cere cero ckac ckbc ckbe ckck ckco cker ckoa ckob ckoc ckoo ckor ckrc coak coba cobb cobe cobo cobu coca coce cock coco cocu cok- coka coke coko coob cook cor- cora corb corc core cork coro corr coua coub coue couk cour crab crac crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree creo creu crkc crob croc croe crok croo cror crub crue cruk cuau cub- cuba cubb cube cuca cucc cuce cuck cuek cuer cuk- cuka cuke cura curb cure curo curr eaba eaca eacc eaec eara earb eare earo ebac ebba ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ebru ebur ecaa ecac ecao ecar ecbc ecbe ecca eccb eccc ecce ecco ecka ecko eco- ecou ecra ecrc ecrr ecru ecua eeca eeea eeee eeka eeke eeoc eera eerc eero eka- ekab ekco ekeb ekek eker ekka ekoa ekur eoka eora eore erau erba erbb erbe erca ercc erce ereb erec erer erke erob eroc eroe eroo erra errc erre erro erua erub eruc erur euba eubc euer eur- eura eurc eure euro kaaa kaab kaak kaar kaba kabb kabc kabe kabo kabr kabu kacb kacc kace kaco kacu kaeo kaer kaka kakc kake kakk kako kaku kaoa kaoc kaok kaor kara karb kare kark karo karr karu kau- kaub kauc kaue kauk kauo kaur kbaa kbab kbac kbae kbak kbar kbba kbbb kbbc kbbe kbbk kbbo kbbr kbbu kbca kbcb kbce kbck kbco kbcr kbcu kbeb kbec kbee kbek kbeo kber kbkb kbkk kbko kbkr kboa kbob kboc kboe kbok kboo kbra kbrb kbrc kbre kbrk kbro kbru kbua kbub kbuc kbue kbuk kbur kbuu kcaa kcab kcac kcar kcau kcba kcbc kcbk kcbr kcbu kcca kccb kccc kcck kccr kccu kcea kceb kcec kcee kceo kceu kckc kckk kcko kckr kcob kcoe kcor kcou kcrc kcro kcrr kcru kcua kcub kcue kcuk kea- keak kear keau keba kebb kebc kebe kebr kebu keca keck keco kecr keek keer keka kekb kekc keke keko keku keok ker- kera kerb kerc kere kerk kero kerr keru keur kkaa kkac kkar kkba kkbb kkbe kkbo kkbr kkcb kkck kkco kkcr kkea kkkk kkoa kkob kkoo kkor kkrb kkrc kkre kkrk kkro kkrr kkua kkuu koab koac koae koak koar koba kobb kobc kobe kobk kobo kobr kobu koca kocb kock koea koka kokb kokc koke kokk koko kokr koku koob kooc kook kooo koor koou kora korb korc kore kork koro korr koru koua koub koue kour kouu krab krac krae krak krar krba krbb krbe krbk krbr krca krcb krcc krce krco krcu krea kreb krec kree krek kreo kreu krka krkc krke krkk krko krkr krku kroa krob kroc kroe krok kroo kror krrb krrc krre krrk krro krrr krua kruc krue kruk krur kuac kuar kuau kuba kubb kubc kube kubo kubr kubu kuca kucb kucc kuce kuco kucr kuek kueu kuka kuke kukk kuku kuoa kuok kuoo kura kurb kure kurk kuro kurr kuru kuub kuuk kuur kuuu o-eo oaau oaer oake oara oare obak obba obbo obea obec ober obkb oboe obok obor obra obre obro ocab ocac ocak ocbc occa occc oce ocee ocke ocra ocre ocro ocrr ocur oec- oeca oecc oeec oera oere okak okcu oker okka okko okok okor okra okre okro okur ooaa ooak ooba oobe oocr ooer ooku oooo oora oore orab orac orae orak orao orar orba orbb orbe orbo orbu orca orce orco