bbbb bbeb bebb bebe bebi bebo beeb beej beek beer beij beik beir beke beki beko beo- beok beor bere beri berk bero berr beru beuk beur bibb bibe bibi bibo bieb bier bieu biji biju bike biko biku bio- bioi biou birb bire biri birk biro birr biru bobb bobe bobi bobo bobu boee boeo boer boi- boie boii boiu boji bojo boju boke boki boko boku boob booe book boor bor- bore bori borj bork boro borr boru boue bouk bour breb bree brei brek breo brer brie brik brio brje brkb brob broe brok broo bror brou brrr brue bubb bube bubi bubo bubu buer bueu buie buik buir buiu buje buji bujo buju buke buki bukk buko buku bur- burb bure buri burj burk buro burr buru ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eeke eero eiei eier eiji eike eiki eiko eiou eire ejer ejji ejob ejoo ekeb ekek eker ekki ekoi ekur eoir eore eori erbb erbe ereb erei erer erie erik erio eriu erke erki erob eroe eroi eroo erre erro erub erur eubi euer euoi eur- eure euro i-be ibie ibri ibro ieie ieio iere ieri iiie iiii iiio iioi iioo ijji ijok ijui ikee iker ikki ikko ikoo ikri ikue ikuo iobi ioee ioii ioio ioke ioko iooi iooo iore iori irbe iree irer iri- irie irio irje irki irob irre irri iuiu j-ro jbob jebb jebe jeer jeju jeke jeok jere jeri jerk jero jeru jeuk jeur jibb jibe jibi jije jiji jijk jiju jiri jirk jiro jiru jobe jobo jobu joee joie joik joio joji jojo jokb joke joki jook joor jore jork joro jouk jour jrbr jube jubu juei juik juju juke juki juku juok jure juri jurr kbbb kbbe kbbi kbbk kbbo kbbr kbbu kbeb kbee kbek kbeo kber kbib kbie kbij kbik kbio kbiu kbji kbjk kbkb kbkk kbko kbkr kbob kboe kboi kbok kboo kbrb kbre kbri kbrj kbrk kbro kbru kbub kbue kbuk kbur kbuu kebb kebe kebi kebr kebu keek keer keib keii keik keio keir kejb kejj kejo kekb keke keki keko keku keoj keok ker- kerb kere keri kerk kero kerr keru keur kibb kibe kibi kibo kibr kibu kier kieu kiii kiik kiiu kije kiji kiki kikk kiko kikr kiku kioe kioi kiok kioo kiou kirb kiri kirk kiro kirr kiru kiur kiuu kjbb kjbi kjbr kjee kjer kjik kjir kjjj kjjk kjjo kjjr kjke kjkj kjkk kjoe kjoi kjoj kjok kjor kjrb kkbb kkbe kkbi kkbj kkbo kkbr kkik kkjb kkjk kkkj kkkk kkob kkoj kkoo kkor kkrb kkre kkrk kkro kkrr kkuu kobb kobe kobi kobk kobo kobr kobu koei koii koir kojb koje koji kojo kokb koke koki kokk koko kokr koku koob kooi kook kooo koor koou korb kore kori kork koro korr koru koub koue koui kour kouu krbb krbe krbi krbk krbr kreb kree krei krej krek kreo kreu krib krik krio krjb krje krjk krjo krke krki krkk krko krkr krku krob kroe kroi krok kroo kror krrb krre krri krrk krro krrr krue krui kruk krur kubb kube kubj kubo kubr kubu kuei kuek kueu kuie kuik kuje kujj kujo kuju kuke kuki kukk kuku kuok kuoo kurb kure kuri kurk kuro kurr kuru kuub kuuk kuur kuuu o-eo obbo ober obie obkb oboe oboi obok obor obre obri obro oere oier oiii oike oiko oire ojeu ojok okej oker okie okir okko okok okor okre okro okur oobe oobi ooer ooij ooji ooku oooo oore orbb orbe orbi orbo orbu ore- oreb orek oreo orer ori- orie orio orji orke orko oro- oroe orok oror orri orro orub oruj ouer ouie ouii ouir ouju our- oure ouro ouu- rbbb rbbr rebb rebe rebk rebo rebu reeb reek reii reik reir reiu reke reki reko reou rere reri rero reru reue reuk reuu rib- ribe ribo ribu riek rier rieu riji rijo rike riki rikk riku riou rire riri riue rob- robb robe robi robo robu roer roik roio roir roiu roje roji rojo roke roki rokk roko rokr roku roob rooi rook roor rore rori rork roro roru roub roue rouk rrrr rubb rube rubi rubu ruer ruke ruki rukk ruku ruok rure ruri ruro ruru u-ie ubbe ubbi ubbo ubek uber ubii ubik ubir ueir ueki uirr ukek ukeu ukko ukok ukur uoke uor- uore urbe urbi ure- urib urie urik uriu urke uro- urok uroo urre urri uruk urur uuri uuuu