b-u bbb bbg bbi bbk bbr bbs bbu bgb bgg bgi bgk bgr bgs bgu bgv bi- bib big bii bik bir bis biu biv bkb bkg bkk bkr bks bkv brb brg bri brk brr brs bru brv bsb bsg bsi bsk bsr bss bsu bsv bub bug bui buk bur bus buu bvb bvg bvi bvk bvr bvs bvu bvv gbg gbi gbk gbr gbs gbu gbv ggb ggg ggi ggr ggs ggu ggv gib gig gii gik gir gis giu giv gkb gks grb grg gri grk grr grs gru grv gsb gsg gsi gsk gsr gss gsu gsv gu- gub gug gui guk gur gus guu guv gvb gvg gvi gvk gvr gvs gvu i-v ibb ibg ibi ibk ibr ibs ibu ibv igb igg igi igk igr igs igu iib iii iir iis iiu ikb iki ikk ikr iks iku ikv ir- irb irg iri irk irr irs iru irv is- isb isg isi isk isr iss isu isv iu- iub iug iui iur ius ivb ivg ivi ivr ivs ivu ivv kbb kbi kbk kbr kbs kbu kgb kgi kgs kgu kgv kib kig kii kik kir kis kiu kiv kkb kki kkk kkr kks kku kkv krg kri krk krr krs kru krv ksb ksg ksi ksk ksr kss ksu ksv kub kug kui kuk kur kus kuu kvb kvi kvk kvr kvs kvv rbb rbg rbi rbk rbr rbs rbu rgb rgg rgi rgk rgr rgs rgv rib rig rii rik rir ris riv rkb rkg rkk rks rku rkv rrb rrg rri rrk rrr rrs rru rsb rsg rsi rsk rsr rss rsu rsv rub rug rui ruk rur rus ruu ruv rvb rvg rvi rvr rvs rvu rvv sbb sbg sbi sbk sbr sbs sbu sbv sgb sgg sgi sgk sgr sgs sgu sgv sib sig sii sik sir sis siu siv sk- skb skg ski skk skr sks sku sr- srb srg sri srk srr srs srv ss- ssb ssg ssi ssk ssr sss ssu ssv sub sug sui suk sur sus suu suv svb svg svi svk svr svs svu svv ubb ubg ubi ubk ubr ubs ubu ubv ugb ugg ugi ugk ugr ugs ugu uib uig uii uir uis uiu ukb uki ukk ukr uku ur- urb urg uri urk urr urs uru usb usg usi usk usr uss usu usv uug uur uus uuu uvb uvs uvu uvv vbg vbi vbk vbr vbs vbv vgg vgr vgs vgu vi- vib vig vii vik vir vis viu viv vkb vkg vrb vrg vri vrk vrr vrs vru vsb vsg vsi vsk vsr vss vsu vsv vug vuk vur vus vuv vvb vvg vvi vvr vvs vvv

bbbb bbbs bbrg bggs bibb bibi bibs bigb bigg bigs bigu biis biku birb birg biri birk birr birs biru bis- bisk biss bisu bivi brig brik bris brkb brrr brrs brsb brsr brug brus bruv brvi bsgs bubb bubi bubs bubu bugg bugi bugs buik buir buis buiu buki bukk buku bur- burb burg buri burk burr burs buru busi busk buss busu buus gbbs gggg ggss gibb gibs gigg gigi gigs giis giku girg giri girk girr girs giru giss giur gius grbr grib grig gris grrr grrs grss grub grug grui grur grus gsis gskb gsur gubb gubi gubs gubu gugb gugg gugi gugu guib guik guis gurb gurg guri gurk gurr gurs guru gusb guss guus guvs gvvv ibis ibri ibss ibus iggs igis igri igus iiii iiis iirs iisi iisr iisu ikig ikki ikri iksu irgs iri- irig iris irki irks irri irrs irsg irus irvs isis isku isrg isri issi issr isss issu isus iugs iuiu iuss ivbv ivig ivrs kbbb kbbg kbbi kbbk kbbr kbbs kbbu kbgb kbgg kbgr kbib kbig kbik kbis kbiu kbkb kbkg kbkk kbkr kbkv kbrb kbrg kbri kbrk kbru kbrv kbsb kbsg kbsi kbsk kbsr kbss kbsu kbsv kbub kbuk kbur kbus kbuu kbvb kbvr kbvu kgbb kgbr kggg kggi kggr kgir kgks kgrb kgrg kgri kgrk kgrr kgrs kgrv kgsr kgus kibb kibg kibi kibr kibs kibu kigs kiii kiik kiis kiiu kiki kikk kikr kiku kirb kiri kirk kirr kirs kiru kirv kisi kisk kisr kiss kisu kisv kiur kiuu kivi kivu kkbb kkbg kkbi kkbr kkbs kkgb kkgr kkik kkkk kkrb kkrk kkrr kkrs kkrv kksi kksr kkss kksu kkus kkuu kkvr kkvu kkvv krbb krbg krbi krbk krbr krgi krgs krib krik kris kriv krki krkk krkr krks krku krkv krrb krrg krri krrk krrr krrs krsk krsr krss krsu krsv krug krui kruk krur krvb krvg krvi krvk krvr krvs krvv ksbi ksbr ksbs ksbv ksgg ksgr ksgu ksgv ksib ksig ksii ksik ksir ksis ksiv kskb kskg kskk kskr ksks ksku ksrb ksrg ksrr ksrs ksrv kssi kssr ksss kssu ksub ksug ksui ksuu ksvg ksvi ksvr ksvu kubb kubr kubs kubu kugb kugr kugs kuik kuki kukk kuks kuku kurb kuri kurk kurr kurs kuru kurv kusb kusg kusu kuub kuuk kuur kuuu kuvi kuvr kvbr kvgb kvgs kvik kvir kvis kviv kvrg kvri kvrr kvrv kvsi kvsr kvss kvsv kvui kvuu kvvr kvvs kvvv rbbb rbbr rbbs rbis rbss rgbi rib- ribs ribu rigg rigi rigs rigu riis riki rikk riku riri rirs risi risk riss risu rius rivs rkss rksv rrrr rsbi rsgb rsis rubb rubi rubs rubu rugg rugi rugs ruis ruki rukk ruku ruri rurs ruru rusi rusk russ rusu ruvi ruvu rvik s-ib s-ii s-iv sbbs sbig sbrk sbsi sbus sggg sggs sgss sgsv sibi sibs sibu sigg sigi sigs siik siki sikr siks siku siri sirk sirr sirs siru sisi sisk siss sisu siui sius sivi skig skik skir skis skiu skiv skss skui skur srgb srib sris srub ssbr ssgs ssis ssrg ssri ssrs sssb sssi ssss sub- subb subg subi subs sug- sugg sugi suig suir suis suki suks suku sur- surg suri surr surs suru surv sus- susi susk suss susu suus suvi suvs svir svrg ubbi ubii ubik ubir ubis uggs