b-u bbb bbd bbh bbi bbo bbr bbs bbu bby bdb bdd bdh bdi bdo bdr bds bdu bdy bhb bhd bhh bhi bho bhr bhs bhu bi- bib bid bih bii bio bir bis biu biy bob bod boh boi boo bor bos bou boy brb brd brh bri bro brr brs bru bry bsb bsd bsh bsi bso bsr bss bsu bsy bub bud buh bui buo bur bus buu buy by- byd byh byi byo byr bys byu dbb dbd dbh dbi dbo dbr dbs dbu dby ddb ddd ddh ddi ddo ddr dds ddu ddy dh- dhb dhd dhh dhi dho dhr dhs dhu di- dib did dih dii dio dir dis diu diy dob dod doh doi doo dor dos dou doy drb drd dri dro drr drs dru dry dsb dsd dsh dsi dso dsr dss dsu dsy dub dud duh dui duo dur dus duy dy- dyb dyd dyo dyr dys dyu dyy h-i hbb hbd hbh hbi hbo hbr hbs hbu hby hdb hdd hdh hdi hdo hdr hds hdu hdy hhb hhd hhh hhi hho hhr hhs hhu hhy hib hid hih hii hio hir his hiu hob hod hoh hoi hoo hor hos hou hoy hr- hrb hrd hrh hri hro hrr hrs hru hsb hsd hsh hsi hsr hss hsu hsy hub hud huh hui huo hur hus huu huy hy- hyb hyd hyh hyi hyo hyr hys hyy i-d ibb ibd ibh ibi ibo ibr ibs ibu iby idb idd idh idi ido idr ids idu idy ihb ihd ihh ihi iho ihr ihs ihu ihy iib iid iih iii iio iir iis iiu io- iob iod ioh ioi ioo ior ios iou ir- irb ird iri iro irr irs iru iry is- isb isd ish isi iso isr iss isu isy iu- iub iud iui iur ius iyo iyr iys iyy o-i ob- obb obd obh obi obo obr obs obu oby odb odd odh odi odo odr ods odu ohd ohh ohi oho ohr ohs ohu oib oid oii oio oir ois oiu oo- oob ood ooh ooi ooo oor oos or- orb ord orh ori oro orr ors oru ory os- osb osd osh osi oso osr oss osu ou- oud ouh oui ouo our ous oyd oyi oyo oys rbb rbd rbh rbi rbo rbr rbs rbu rdb rdd rdh rdi rdo rdr rds rdu rdy rh- rhb rhd rhh rhi rho rhr rhs rhu rib rid rih rii rio rir ris riy rob rod roh roi roo ror ros rou roy rrb rrd rrh rri rrr rrs rru rsb rsd rsh rsi rso rsr rss rsu rub rud ruh rui ruo rur rus ruu ruy ry- ryd ryo ryr rys ryu ryy sbb sbd sbh sbi sbo sbr sbs sbu sby sdb sdd sdh sdi sdo sdr sds sdu sdy sh- shb shd shh shi sho shr shs shu shy sib sid sih sii sio sir sis siu sob sod soh soi soo sor sos sou soy sr- srb srd srh sri sro srr srs sry ss- ssb ssd ssh ssi sso ssr sss ssu sub sud suh sui suo sur sus suu suy sy- syb syd syh syi syr sys syu ubb ubh ubi ubo ubr ubs ubu uby udb udd udi udo udr uds udu uhb uhd uhh uhi uho uhr uhs uhu uhy uib uid uii uio uir uis uiu uob uod uoo uor uos ur- urb urd uri uro urr urs uru ury usb usd ush usi uso usr uss usu uur uus uuu uyi uyo uys uyu ybi ybr ybs yby ydo yds ydy yhi yhs yhu yid yih yii yio yir yis yob yod yoi yoo yor yos you yoy yro yrs yru ysb ysi yso ysr yss ysu ysy yud yuh yui yuo yur yus yuu yuy yyb yys yyu yyy