-ic b-u bbb bbc bbg bbi bbk bbr bbs bbu bcb bcc bcg bci bck bcr bcs bcu bcv bgb bgc bgg bgi bgk bgr bgs bgu bgv bi- bib bic big bii bik bir bis biu biv bkb bkc bkg bkk bkr bks bkv brb brg bri brk brr brs bru brv bsb bsc bsg bsi bsk bsr bss bsu bsv bub buc bug bui buk bur bus buu bvb bvc bvg bvi bvk bvr bvs bvu bvv c-- cbb cbc cbg cbi cbk cbr cbs cbu cbv ccb ccc ccg cci cck ccr ccs ccu ccv cgb cgc cgg cgi cgr cgs cgu cgv ci- cib cic cig cii cik cir cis ciu civ ckb ckc cki cks crb crc crg cri crk crr crs cru crv csb csc csg csi csk csr css csu csv cub cuc cug cui cuk cur cus cuu cuv cvb cvc cvg cvi cvk cvr cvs cvu cvv gbc gbg gbi gbk gbr gbs gbu gbv gcb gcc gcg gci gck gcr gcs gcu ggb ggc ggg ggi ggr ggs ggu ggv gib gic gig gii gik gir gis giu giv gkb gks grb grc grg gri grk grr grs gru grv gsb gsc gsg gsi gsk gsr gss gsu gsv gu- gub guc gug gui guk gur gus guu guv gvb gvc gvg gvi gvk gvr gvs gvu i-v ibb ibc ibg ibi ibk ibr ibs ibu ibv icb icc icg ici ick icr ics icu icv igb igc igg igi igk igr igs igu iib iic iii iir iis iiu ikb ikc iki ikk ikr iks iku ikv ir- irb irc irg iri irk irr irs iru irv is- isb isc isg isi isk isr iss isu isv iu- iub iuc iug iui iur ius ivb ivc ivg ivi ivr ivs ivu ivv kbb kbc kbi kbk kbr kbs kbu kcb kcc kcg kci kck kcr kcs kcu kgb kgc kgi kgs kgu kgv kib kic kig kii kik kir kis kiu kiv kkb kkc kki kkk kkr kks kku kkv krc krg kri krk krr krs kru krv ksb ksc ksg ksi ksk ksr kss ksu ksv kub kuc kug kui kuk kur kus kuu kvb kvi kvk kvr kvs kvv rbb rbc rbg rbi rbk rbr rbs rbu rcb rcc rcg rci rcr rcs rcu rcv rgb rgc rgg rgi rgk rgr rgs rgv rib ric rig rii rik rir ris riv rkb rkc rkg rkk rks rku rkv rrb rrc rrg rri rrk rrr rrs rru rsb rsc rsg rsi rsk rsr rss rsu rsv rub ruc rug rui ruk rur rus ruu ruv rvb rvc rvg rvi rvr rvs rvu rvv sbb sbc sbg sbi sbk sbr sbs sbu sbv scb scc scg sci sck scr scs scu scv sgb sgc sgg sgi sgk sgr sgs sgu sgv sib sic sig sii sik sir sis siu siv sk- skb skc skg ski skk skr sks sku sr- srb src srg sri srk srr srs srv ss- ssb ssc ssg ssi ssk ssr sss ssu ssv sub suc sug sui suk sur sus suu suv svb svc svg svi svk svr svs svu svv ubb ubc ubg ubi ubk ubr ubs ubu ubv ucb ucc ucg uci uck ucr ucs ucu ucv ugb ugc ugg ugi ugk ugr ugs ugu uib uic uig uii uir uis uiu ukb ukc uki ukk ukr uku ur- urb urc urg uri urk urr urs uru usb usc usg usi usk usr uss usu usv uuc uug uur uus uuu uvb uvc uvs uvu uvv vbc vbg vbi vbk vbr vbs vbv vcc vci vcr vcs vcu vgc vgg vgr vgs vgu vi- vib vic vig vii vik vir vis viu viv vkb vkg vrb vrc vrg vri vrk vrr vrs vru vsb vsc vsg vsi vsk vsr vss vsu vsv vug vuk vur vus vuv vvb vvc vvg vvi vvr vvs vvv