-ic b-u bbb bbc bbh bbi bbr bbs bbu bby bcb bcc bch bci bcr bcs bcu bcy bhb bhc bhh bhi bhr bhs bhu bi- bib bic bih bii bir bis biu biy brb brh bri brr brs bru bry bsb bsc bsh bsi bsr bss bsu bsy bub buc buh bui bur bus buu buy by- byc byh byi byr bys byu c-- cbb cbc cbh cbi cbr cbs cbu cby ccb ccc cch cci ccr ccs ccu ch- chb chc chh chi chr chs chu chy ci- cib cic cih cii cir cis ciu crb crc crh cri crr crs cru cry csb csc csh csi csr css csu csy cub cuc cuh cui cur cus cuu cuy cyb cyc cyr cys h-i hbb hbc hbh hbi hbr hbs hbu hby hcb hcc hch hci hcr hcs hcy hhb hhc hhh hhi hhr hhs hhu hhy hib hic hih hii hir his hiu hr- hrb hrc hrh hri hrr hrs hru hsb hsc hsh hsi hsr hss hsu hsy hub huc huh hui hur hus huu huy hy- hyb hyc hyh hyi hyr hys hyy ibb ibc ibh ibi ibr ibs ibu iby icb icc ich ici icr ics icu icy ihb ihc ihh ihi ihr ihs ihu ihy iib iic iih iii iir iis iiu ir- irb irc iri irr irs iru iry is- isb isc ish isi isr iss isu isy iu- iub iuc iui iur ius iyc iyr iys iyy rbb rbc rbh rbi rbr rbs rbu rcb rcc rch rci rcr rcs rcu rh- rhb rhc rhh rhi rhr rhs rhu rib ric rih rii rir ris riy rrb rrc rrh rri rrr rrs rru rsb rsc rsh rsi rsr rss rsu rub ruc ruh rui rur rus ruu ruy ry- ryc ryr rys ryu ryy sbb sbc sbh sbi sbr sbs sbu sby scb scc sch sci scr scs scu sh- shb shc shh shi shr shs shu shy sib sic sih sii sir sis siu sr- srb src srh sri srr srs sry ss- ssb ssc ssh ssi ssr sss ssu sub suc suh sui sur sus suu suy sy- syb syc syh syi syr sys syu ubb ubc ubh ubi ubr ubs ubu uby ucb ucc uch uci ucr ucs ucu uhb uhc uhh uhi uhr uhs uhu uhy uib uic uii uir uis uiu ur- urb urc uri urr urs uru ury usb usc ush usi usr uss usu uuc uur uus uuu uyc uyi uys uyu ybc ybi ybr ybs yby ycc ych yci ycs ycu ycy yhc yhi yhs yhu yih yii yir yis yrc yrs yru ysb ysc ysi ysr yss ysu ysy yuh yui yur yus yuu yuy yyb yyc yys yyu yyy