-ic b-u bbb bbc bbh bbi bbr bbu bby bcb bcc bch bci bcr bcu bcy bhb bhc bhh bhi bhr bhu bi- bib bic bih bii bir biu biy brb brh bri brr bru bry bub buc buh bui bur buu buy by- byc byh byi byr byu c-- cbb cbc cbh cbi cbr cbu cby ccb ccc cch cci ccr ccu ch- chb chc chh chi chr chu chy ci- cib cic cih cii cir ciu crb crc crh cri crr cru cry cub cuc cuh cui cur cuu cuy cyb cyc cyr h-i hbb hbc hbh hbi hbr hbu hby hcb hcc hch hci hcr hcy hhb hhc hhh hhi hhr hhu hhy hib hic hih hii hir hiu hr- hrb hrc hrh hri hrr hru hub huc huh hui hur huu huy hy- hyb hyc hyh hyi hyr hyy ibb ibc ibh ibi ibr ibu iby icb icc ich ici icr icu icy ihb ihc ihh ihi ihr ihu ihy iib iic iih iii iir iiu ir- irb irc iri irr iru iry iu- iub iuc iui iur iyc iyr iyy rbb rbc rbh rbi rbr rbu rcb rcc rch rci rcr rcu rh- rhb rhc rhh rhi rhr rhu rib ric rih rii rir riy rrb rrc rrh rri rrr rru rub ruc ruh rui rur ruu ruy ry- ryc ryr ryu ryy ubb ubc ubh ubi ubr ubu uby ucb ucc uch uci ucr ucu uhb uhc uhh uhi uhr uhu uhy uib uic uii uir uiu ur- urb urc uri urr uru ury uuc uur uuu uyc uyi uyu ybc ybi ybr yby ycc ych yci ycu ycy yhc yhi yhu yih yii yir yrc yru yuh yui yur yuu yuy yyb yyc yyu yyy