bbb bbi bbk bbn bbo bbr bbs bi- bib bii bik bin bio bir bis biv bkb bkk bkn bko bkr bks bkv bnb bni bnk bnn bno bnr bns bnv bob boi bok bon boo bor bos bov brb bri brk brn bro brr brs brv bsb bsi bsk bsn bso bsr bss bsv bvb bvi bvk bvn bvo bvr bvs bvv i-v ibb ibi ibk ibn ibo ibr ibs ibv iib iii iin iio iir iis ikb iki ikk iko ikr iks ikv in- inb ini ink inn ino inr ins inv io- iob ioi ion ioo ior ios iov ir- irb iri irk irn iro irr irs irv is- isb isi isk isn iso isr iss isv ivb ivi ivo ivr ivs ivv kbb kbi kbk kbn kbo kbr kbs kib kii kik kin kio kir kis kiv kkb kki kkk kkn kkr kks kkv kn- kni knk knn kno knr kob koi kok kon koo kor kos kri krk krn kro krr krs krv ksb ksi ksk ksn kso ksr kss ksv kvb kvi kvk kvn kvo kvr kvs kvv n-i nbb nbi nbk nbn nbo nbr nbs nbv nib nii nik nin nio nir nis niv nki nkk nkn nko nkr nks nnb nni nnk nnn nno nns nnv no- nob noi nok non noo nor nos nov nrb nri nrk nrn nro nrr nrs nrv nsb nsi nsk nsn nso nsr nss nsv nvb nvi nvk nvn nvv o-i ob- obb obi obk obn obo obr obs obv oib oii oik oin oio oir ois oiv okb oki okk oko okr oks on- onb oni onk onn ono onr ons oo- oob ooi ook oon ooo oor oos oov or- orb ori ork orn oro orr ors orv os- osb osi osk osn oso osr oss osv ov- ovb ovi ovo ovs ovv rbb rbi rbk rbn rbo rbr rbs rib rii rik rin rio rir ris riv rkb rkk rko rks rkv rnb rni rnn rno rnr rns rnv rob roi rok ron roo ror ros rov rrb rri rrk rrn rrr rrs rsb rsi rsk rsn rso rsr rss rsv rvb rvi rvn rvo rvr rvs rvv sbb sbi sbk sbn sbo sbr sbs sbv sib sii sik sin sio sir sis siv sk- skb ski skk sko skr sks snb sni snk snn sno snr sns snv sob soi sok son soo sor sos sov sr- srb sri srk srn sro srr srs srv ss- ssb ssi ssk ssn sso ssr sss ssv svb svi svk svn svo svr svs svv vbi vbk vbo vbr vbs vbv vi- vib vii vik vin vio vir vis viv vkb vn- vni vno vnr vns vnv vob voi vok von voo vor vos vov vrb vri vrk vrn vrr vrs vsb vsi vsk vsn vso vsr vss vsv vvb vvi vvo vvr vvs vvv

-nik bbbb bbbs bbin bibb bibi bibo bibs biin biis biko bin- bini bink binn bino bins bio- bioi bion bios birb biri birk birn biro birr birs bis- bisk biso biss bivi bnib bnin bnor bnrr bnss bobb bobi bobo bobs boi- boii boin bois boki bokn boko boks boni bonk bonn bono bons boob book boon boor boos bor- bori bork born boro borr bors bosi bosk bosn boso boss bovi bovo brik brin brio bris brkb brno brns brob brok bron broo bror bros brrr brrs brsb brsr brvi bsin bsns bson bsos i-no ibis ibns ibon ibos ibri ibro ibsn ibss iiii iiio iiis iino iioi iioo iios iirs iisi iisr ikin ikki ikko ikon ikoo ikri inbo inis inki inks inni inno innr inns ino- inoi inon inor inos inri inro inrs inso inss invs iobi ioii ioio ioko ioni ionn iono ions iooi iooo ioos iori iors ioso iri- irin irio iris irki irks irob iron irov irri irrs irvs isbn isin isis isko isno iso- isok ison isor isos isri issi isso issr isss ivbv ivin ivon ivor ivrs k-os kbbb kbbi kbbk kbbo kbbr kbbs kbib kbik kbio kbis kbkb kbkk kbko kbkr kbkv kbnn kbno kbnr kbnv kbob kboi kbok kbon kboo kbos kbov kbrb kbri kbrk kbrn kbro kbrv kbsb kbsi kbsk kbsn kbso kbsr kbss kbsv kbvb kbvo kbvr kibb kibi kibo kibr kibs kiii kiik kiis kiki kikk kiko kikr kin- kinb kini kink kinn kino kins kioi kiok kion kioo kirb kiri kirk kirn kiro kirr kirs kirv kisi kisk kisn kiso kisr kiss kisv kivi kkbb kkbi kkbn kkbo kkbr kkbs kkik kkin kkkk kknb kkni kknn kkno kkns kkob kkon kkoo kkor kkov kkrb kkrk kkrn kkro kkrr kkrs kkrv kksi kksn kksr kkss kkvr kkvv knbb knbn knbr knib knik knin knir knis kniv knki knkk knnb knnk knnr knns knob knok knon knor knrb knrk knro knrs knrv knsb knsi knsk knsn knso knsr knss knvn knvo knvr kobb kobi kobk kobn kobo kobr kobs koii koin koir koiv kokb koki kokk kokn koko kokr koks koni konk kono koob kooi kook koon kooo koor koos koov korb kori kork korn koro korr kors korv kos- kosb kosi koso kosr koss kovi kovk kovo kovr krbb krbi krbk krbr krib krik krin krio kris kriv krki krkk krkn krko krkr krks krkv krnb krni krnk krnn krno krnv krob kroi krok kroo kror kros krov krrb krri krrk krrn krro krrr krrs krsk krsn krsr krss krsv krvb krvi krvk krvn krvo krvr krvs krvv ksbi ksbn ksbr ksbs ksbv ksib ksii ksik ksir ksis ksiv kskb kskk kskn ksko kskr ksks ksnb ksnk ksnn ksnr ksns ksnv ksob ksoi ksok kson ksoo ksor ksos ksrb ksrn ksro ksrr ksrs ksrv kssi kssn ksso kssr ksss ksvi ksvn ksvr kvbr kvik kvin kvir kvis kviv kvni kvnn kvno kvnr kvns kvob kvoi kvok kvon kvoo kvor kvov kvri kvro kvrr kvrv kvsi kvso kvsr kvss kvsv kvvn kvvr kvvs kvvv n-ii nbbo nibi nibo nibs niir niki niko niks nini nino nins nion