bbb bbg bbi bbk bbo bbr bbs bgb bgg bgi bgk bgo bgr bgs bgv bi- bib big bii bik bio bir bis biv bkb bkg bkk bko bkr bks bkv bob bog boi bok boo bor bos bov brb brg bri brk bro brr brs brv bsb bsg bsi bsk bso bsr bss bsv bvb bvg bvi bvk bvo bvr bvs bvv gbg gbi gbk gbo gbr gbs gbv ggb ggg ggi ggo ggr ggs ggv gib gig gii gik gio gir gis giv gkb gko gks gob gog goi gok goo gor gos gov grb grg gri grk gro grr grs grv gsb gsg gsi gsk gso gsr gss gsv gvb gvg gvi gvk gvo gvr gvs i-v ibb ibg ibi ibk ibo ibr ibs ibv igb igg igi igk igo igr igs iib iii iio iir iis ikb iki ikk iko ikr iks ikv io- iob iog ioi ioo ior ios iov ir- irb irg iri irk iro irr irs irv is- isb isg isi isk iso isr iss isv ivb ivg ivi ivo ivr ivs ivv kbb kbi kbk kbo kbr kbs kgb kgi kgo kgs kgv kib kig kii kik kio kir kis kiv kkb kki kkk kkr kks kkv kob kog koi kok koo kor kos krg kri krk kro krr krs krv ksb ksg ksi ksk kso ksr kss ksv kvb kvi kvk kvo kvr kvs kvv o-i ob- obb obg obi obk obo obr obs obv ogg ogi ogo ogs oib oii oik oio oir ois oiv okb okg oki okk oko okr oks oo- oob oog ooi ook ooo oor oos oov or- orb org ori ork oro orr ors orv os- osb osg osi osk oso osr oss osv ov- ovb ovi ovo ovs ovv rbb rbg rbi rbk rbo rbr rbs rgb rgg rgi rgk rgo rgr rgs rgv rib rig rii rik rio rir ris riv rkb rkg rkk rko rks rkv rob rog roi rok roo ror ros rov rrb rrg rri rrk rrr rrs rsb rsg rsi rsk rso rsr rss rsv rvb rvg rvi rvo rvr rvs rvv sbb sbg sbi sbk sbo sbr sbs sbv sgb sgg sgi sgk sgo sgr sgs sgv sib sig sii sik sio sir sis siv sk- skb skg ski skk sko skr sks sob sog soi sok soo sor sos sov sr- srb srg sri srk sro srr srs srv ss- ssb ssg ssi ssk sso ssr sss ssv svb svg svi svk svo svr svs svv vbg vbi vbk vbo vbr vbs vbv vgg vgo vgr vgs vi- vib vig vii vik vio vir vis viv vkb vkg vob vog voi vok voo vor vos vov vrb vrg vri vrk vrr vrs vsb vsg vsi vsk vso vsr vss vsv vvb vvg vvi vvo vvr vvs vvv

bbbb bbbs bbrg bggs bibb bibi bibo bibs bigb bigg bigo bigs biis biko bio- biog bioi bios birb birg biri birk biro birr birs bis- bisk biso biss bivi bobb bobi bobo bobs bogg bogi bogo bogs boi- boii bois boki boko boks boob boog book boor boos bor- borg bori bork boro borr bors bosi bosk boso boss bovi bovo brig brik brio bris brkb brob brog brok broo bror bros brrr brrs brsb brsr brvi bsgs bsos gbbo gbbs gggg ggss gibb gibs gigg gigi gigo gigs giis giog gioi girg giri girk giro girr girs giss gobi gobo gobs gogi gogo gogs gois goog gooi gook goor goos gorb gorg gori goro gorr gors gosi goso goss govi govs grbr grib grig gris grob grog groi grok groo gror gros grov grrr grrs grss gsis gskb gsos gvvv i-go ibis ibos ibri ibro ibss igbo iggs igis igoo igor igri igso iiii iiio iiis iioi iioo iios iirs iisi iisr ikig ikki ikko ikoo ikri iobi ioii ioio ioko iooi iooo ioos iorg iori iors ioso irgs iri- irig irio iris irki irks irob irov irri irrs irsg irvs isis isko iso- isok isor isos isrg isri issi isso issr isss ivbv ivig ivor ivrs k-os kbbb kbbg kbbi kbbk kbbo kbbr kbbs kbgb kbgg kbgo kbgr kbib kbig kbik kbio kbis kbkb kbkg kbkk kbko kbkr kbkv kbob kboi kbok kboo kbos kbov kbrb kbrg kbri kbrk kbro kbrv kbsb kbsg kbsi kbsk kbso kbsr kbss kbsv kbvb kbvo kbvr kgbb kgbr kggg kggi kggo kggr kgio kgir kgks kgor kgos kgrb kgrg kgri kgrk kgro kgrr kgrs kgrv kgso kgsr kgvo kibb kibg kibi kibo kibr kibs kigo kigs kiii kiik kiis kiki kikk kiko kikr kioi kiok kioo kirb kiri kirk kiro kirr kirs kirv kisi kisk kiso kisr kiss kisv kivi kkbb kkbg kkbi kkbo kkbr kkbs kkgb kkgo kkgr kkik kkkk kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrs kkrv kksi kksr kkss kkvr kkvv kobb kobi kobk kobo kobr kobs kogb kogg kogi kogo koii koir koiv kokb koki kokk koko kokr koks koob koog kooi kook kooo koor koos koov korb korg kori kork koro korr kors korv kos- kosb kosg kosi koso kosr koss kovi kovk kovo kovr krbb krbg krbi krbk krbr krgi krgs krib krik krio kris kriv krki krkk krko krkr krks krkv krob krog kroi krok kroo kror kros krov krrb krrg krri krrk krro krrr krrs krsk krsr krss krsv krvb krvg krvi krvk krvo krvr krvs krvv ksbi ksbr ksbs ksbv ksgg ksgr ksgv ksib ksig ksii ksik ksir ksis ksiv kskb kskg kskk ksko kskr ksks ksob ksoi ksok ksoo ksor ksos ksrb ksrg ksro ksrr ksrs ksrv kssi ksso kssr ksss ksvg ksvi ksvr kvbr kvgb kvgo kvgs kvik kvir kvis kviv kvob kvog kvoi kvok kvoo kvor kvov kvrg kvri kvro kvrr kvrv kvsi kvso kvsr kvss kvsv kvvr kvvs kvvv obbo obis obkb oboi obok obor obos obri obro obsr obss obvi obvs ogb oggi ogog ogoi ogri ogro ogsi oigo oiii oiko oiks oios okgo okir okko okok okor okro oksi okso oobi oooo ooos oosi