-ic b-u bbb bbc bbd bbh bbi bbr bbu bby bcb bcc bcd bch bci bcr bcu bcy bdb bdc bdd bdh bdi bdr bdu bdy bhb bhc bhd bhh bhi bhr bhu bi- bib bic bid bih bii bir biu biy brb brd brh bri brr bru bry bub buc bud buh bui bur buu buy by- byc byd byh byi byr byu c-- cbb cbc cbd cbh cbi cbr cbu cby ccb ccc ccd cch cci ccr ccu cdb cdc cdd cdh cdi cdr cdu cdy ch- chb chc chd chh chi chr chu chy ci- cib cic cid cih cii cir ciu crb crc crd crh cri crr cru cry cub cuc cud cuh cui cur cuu cuy cyb cyc cyd cyr dbb dbc dbd dbh dbi dbr dbu dby dcb dcc dcd dci dcr dcu ddb ddc ddd ddh ddi ddr ddu ddy dh- dhb dhc dhd dhh dhi dhr dhu di- dib dic did dih dii dir diu diy drb drc drd dri drr dru dry dub duc dud duh dui dur duy dy- dyb dyc dyd dyr dyu dyy h-i hbb hbc hbd hbh hbi hbr hbu hby hcb hcc hcd hch hci hcr hcy hdb hdc hdd hdh hdi hdr hdu hdy hhb hhc hhd hhh hhi hhr hhu hhy hib hic hid hih hii hir hiu hr- hrb hrc hrd hrh hri hrr hru hub huc hud huh hui hur huu huy hy- hyb hyc hyd hyh hyi hyr hyy i-d ibb ibc ibd ibh ibi ibr ibu iby icb icc icd ich ici icr icu icy idb idc idd idh idi idr idu idy ihb ihc ihd ihh ihi ihr ihu ihy iib iic iid iih iii iir iiu ir- irb irc ird iri irr iru iry iu- iub iuc iud iui iur iyc iyr iyy rbb rbc rbd rbh rbi rbr rbu rcb rcc rcd rch rci rcr rcu rdb rdc rdd rdh rdi rdr rdu rdy rh- rhb rhc rhd rhh rhi rhr rhu rib ric rid rih rii rir riy rrb rrc rrd rrh rri rrr rru rub ruc rud ruh rui rur ruu ruy ry- ryc ryd ryr ryu ryy ubb ubc ubh ubi ubr ubu uby ucb ucc ucd uch uci ucr ucu udb udc udd udi udr udu uhb uhc uhd uhh uhi uhr uhu uhy uib uic uid uii uir uiu ur- urb urc urd uri urr uru ury uuc uur uuu uyc uyi uyu ybc ybi ybr yby ycc ycd ych yci ycu ycy ydy yhc yhi yhu yid yih yii yir yrc yru yud yuh yui yur yuu yuy yyb yyc yyu yyy