b-p bbb bbd bbh bbi bbp bbs bby bdb bdd bdh bdi bdp bds bdy bhb bhd bhh bhi bhp bhs bi- bib bid bih bii bip bis biy bpb bpd bph bpi bpp bps bpy bsb bsd bsh bsi bsp bss bsy by- byd byh byi byp bys dbb dbd dbh dbi dbp dbs dby ddb ddd ddh ddi ddp dds ddy dh- dhb dhd dhh dhi dhp dhs di- dib did dih dii dip dis diy dpb dpd dph dpi dpp dps dsb dsd dsh dsi dsp dss dsy dy- dyb dyd dyp dys dyy h-i hbb hbd hbh hbi hbp hbs hby hdb hdd hdh hdi hdp hds hdy hhb hhd hhh hhi hhp hhs hhy hib hid hih hii hip his hpb hpd hph hpi hpp hps hpy hsb hsd hsh hsi hsp hss hsy hy- hyb hyd hyh hyi hyp hys hyy i-d ibb ibd ibh ibi ibp ibs iby idb idd idh idi idp ids idy ihb ihd ihh ihi ihp ihs ihy iib iid iih iii iip iis ipb ipd ipi ipp ips ipy is- isb isd ish isi isp iss isy iys iyy p-p pbb pbd pbi pbp pbs pby pdb pdd pdh pdi pdp pds phb phd phi php phs phy pib pid pih pii pip pis ppb ppd pph ppi ppp pps ps- psb psd psh psi psp pss psy py- pyb pyd pys sbb sbd sbh sbi sbp sbs sby sdb sdd sdh sdi sdp sds sdy sh- shb shd shh shi shp shs shy sib sid sih sii sip sis spb spd sph spi spp sps spy ss- ssb ssd ssh ssi ssp sss sy- syb syd syh syi syp sys ybi ybp ybs yby yds ydy yhi yhs yid yih yii yip yis ypd yps ysb ysi ysp yss ysy yyb yys yyy