b-u bbb bbh bbi bbk bbr bbs bbu bhb bhh bhi bhk bhr bhs bhu bi- bib bih bii bik bir bis biu bkb bkk bkr bks brb brh bri brk brr brs bru bsb bsh bsi bsk bsr bss bsu bub buh bui buk bur bus buu h-i hbb hbh hbi hbk hbr hbs hbu hhb hhh hhi hhk hhr hhs hhu hib hih hii hik hir his hiu hkb hkh hki hkk hkr hks hku hr- hrb hrh hri hrk hrr hrs hru hsb hsh hsi hsk hsr hss hsu hub huh hui huk hur hus huu ibb ibh ibi ibk ibr ibs ibu ihb ihh ihi ihk ihr ihs ihu iib iih iii iir iis iiu ikb iki ikk ikr iks iku ir- irb iri irk irr irs iru is- isb ish isi isk isr iss isu iu- iub iui iur ius kbb kbh kbi kbk kbr kbs kbu khh khi khk khr khs khu kib kih kii kik kir kis kiu kkb kkh kki kkk kkr kks kku kri krk krr krs kru ksb ksh ksi ksk ksr kss ksu kub kuh kui kuk kur kus kuu rbb rbh rbi rbk rbr rbs rbu rh- rhb rhh rhi rhr rhs rhu rib rih rii rik rir ris rkb rkk rks rku rrb rrh rri rrk rrr rrs rru rsb rsh rsi rsk rsr rss rsu rub ruh rui ruk rur rus ruu sbb sbh sbi sbk sbr sbs sbu sh- shb shh shi shk shr shs shu sib sih sii sik sir sis siu sk- skb skh ski skk skr sks sku sr- srb srh sri srk srr srs ss- ssb ssh ssi ssk ssr sss ssu sub suh sui suk sur sus suu ubb ubh ubi ubk ubr ubs ubu uhb uhh uhi uhr uhs uhu uib uii uir uis uiu ukb uki ukk ukr uku ur- urb uri urk urr urs uru usb ush usi usk usr uss usu uur uus uuu