b-u bbb bbi bbk bbn bbo bbr bbu bi- bib bii bik bin bio bir biu biv bkb bkk bkn bko bkr bkv bnb bni bnk bnn bno bnr bnu bnv bob boi bok bon boo bor bou bov brb bri brk brn bro brr bru brv bub bui buk bun buo bur buu bvb bvi bvk bvn bvo bvr bvu bvv i-v ibb ibi ibk ibn ibo ibr ibu ibv iib iii iin iio iir iiu ikb iki ikk iko ikr iku ikv in- inb ini ink inn ino inr inu inv io- iob ioi ion ioo ior iou iov ir- irb iri irk irn iro irr iru irv iu- iub iui iur ivb ivi ivo ivr ivu ivv kbb kbi kbk kbn kbo kbr kbu kib kii kik kin kio kir kiu kiv kkb kki kkk kkn kkr kku kkv kn- kni knk knn kno knr knu kob koi kok kon koo kor kou kri krk krn kro krr kru krv kub kui kuk kun kur kuu kvb kvi kvk kvn kvo kvr kvv n-i nbb nbi nbk nbn nbo nbr nbu nbv nib nii nik nin nio nir niu niv nki nkk nkn nko nkr nku nnb nni nnk nnn nno nnu nnv no- nob noi nok non noo nor nou nov nrb nri nrk nrn nro nrr nru nrv nub nui nuk nun nuo nur nuu nuv nvb nvi nvk nvn nvu nvv o-i ob- obb obi obk obn obo obr obu obv oib oii oik oin oio oir oiu oiv okb oki okk oko okr oku on- onb oni onk onn ono onr onu oo- oob ooi ook oon ooo oor oov or- orb ori ork orn oro orr oru orv ou- oui ouk oun ouo our ov- ovb ovi ovo ovv rbb rbi rbk rbn rbo rbr rbu rib rii rik rin rio rir riv rkb rkk rko rku rkv rnb rni rnn rno rnr rnu rnv rob roi rok ron roo ror rou rov rrb rri rrk rrn rrr rru rub rui ruk run ruo rur ruu ruv rvb rvi rvn rvo rvr rvu rvv ubb ubi ubk ubn ubo ubr ubu ubv uib uii uin uio uir uiu ukb uki ukk ukn ukr uku un- unb uni unk unn uno unr unu unv uob uok uon uoo uor ur- urb uri urk urn uro urr uru uun uur uuu uvb uvo uvu uvv vbi vbk vbo vbr vbv vi- vib vii vik vin vio vir viu viv vkb vn- vni vno vnr vnu vnv vob voi vok von voo vor vou vov vrb vri vrk vrn vrr vru vuk vur vuv vvb vvi vvo vvr vvv

-nik bbbb bbin bibb bibi bibo biin biko biku bin- bini bink binn bino binu bio- bioi bion biou birb biri birk birn biro birr biru bivi bnib bnin bnor bnrr bobb bobi bobo bobu boi- boii boin boiu boki bokn boko boku boni bonk bonn bono bonu boob book boon boor bor- bori bork born boro borr boru bouk boun bour bovi bovo brik brin brio brkb brno brob brok bron broo bror brou brrr brun bruv brvi bubb bubi bubo bubu buik buin buir buiu buki bukk buko buku bunb buni bunk bunn buno bunu buon bur- burb buri burk burn buro burr buru i-no ibon ibri ibro iiii iiio iino iioi iioo ikin ikki ikko ikon ikoo ikri ikuo inbo inki inni inno innr innu ino- inoi inon inor inou inri inro inui inuk inun iobi ioii ioio ioko ioni ionn iono iooi iooo iori ioun iri- irin irio irki irob iron irov irri irun iuiu iuno ivbv ivin ivon ivor kbbb kbbi kbbk kbbo kbbr kbbu kbib kbik kbio kbiu kbkb kbkk kbko kbkr kbkv kbnn kbno kbnr kbnu kbnv kbob kboi kbok kbon kboo kbov kbrb kbri kbrk kbrn kbro kbru kbrv kbub kbuk kbun kbur kbuu kbvb kbvo kbvr kbvu kibb kibi kibo kibr kibu kiii kiik kiiu kiki kikk kiko kikr kiku kin- kinb kini kink kinn kino kinu kioi kiok kion kioo kiou kirb kiri kirk kirn kiro kirr kiru kirv kiun kiur kiuu kivi kivu kkbb kkbi kkbn kkbo kkbr kkik kkin kkkk kknb kkni kknn kkno kknu kkob kkon kkoo kkor kkov kkrb kkrk kkrn kkro kkrr kkrv kkuu kkvr kkvu kkvv knbb knbn knbr knbu knib knik knin knir kniv knki knkk knnb knnk knnr knob knok knon knor knou knrb knrk knro knrv knub knui knuk knur knuv knvn knvo knvr kobb kobi kobk kobn kobo kobr kobu koii koin koir koiv kokb koki kokk kokn koko kokr koku koni konk kono koob kooi kook koon kooo koor koou koov korb kori kork korn koro korr koru korv koub koui kour kouu kovi kovk kovo kovr krbb krbi krbk krbr krib krik krin krio kriv krki krkk krkn krko krkr krku krkv krnb krni krnk krnn krno krnu krnv krob kroi krok kroo kror krov krrb krri krrk krrn krro krrr krui kruk krun krur krvb krvi krvk krvn krvo krvr krvv kubb kubo kubr kubu kuik kuin kuki kukk kukn kuku kuni kunk kuno kunr kunu kunv kuok kuon kuoo kurb kuri kurk kuro kurr kuru kurv kuub kuuk kuur kuuu kuvi kuvo kuvr kvbr kvik kvin kvir kviv kvni kvnn kvno kvnr kvnu kvob kvoi kvok kvon kvoo kvor kvou kvov kvri kvro kvrr kvrv kvui kvuu kvvn kvvr kvvv n-ii nbbo nibi nibo niir niiu niki niko niku nini nino nion nioo niou niro niru nirv niur nivo nivr nkio nkok nkor nkuv nnnn nobi nobo nobu noib noik noin noio noir noki noko non- noni nonn nono nonu noo- noob nook noon nooo noor noov nor- norb nori nork norn noro norr norv noun nour nov- novi novo nron nubi nubk nuik nuin nuki nuku nunk nunn nuno nuon nuri nurn nurr nuru nurv nuuk nuvo nvir obbo obin obkb oboi obok obon obor obri obro obvi oiii oiko oink oion okir okko okni okno okok okon okor okro okun