b-p bbb bbh bbi bbo bbp bbr bbs bby bhb bhh bhi bho bhp bhr bhs bi- bib bih bii bio bip bir bis biy bob boh boi boo bop bor bos boy bpb bph bpi bpo bpp bpr bps bpy brb brh bri bro brp brr brs bry bsb bsh bsi bso bsp bsr bss bsy by- byh byi byo byp byr bys h-i hbb hbh hbi hbo hbp hbr hbs hby hhb hhh hhi hho hhp hhr hhs hhy hib hih hii hio hip hir his hob hoh hoi hoo hop hor hos hoy hpb hph hpi hpo hpp hpr hps hpy hr- hrb hrh hri hro hrp hrr hrs hsb hsh hsi hsp hsr hss hsy hy- hyb hyh hyi hyo hyp hyr hys hyy ibb ibh ibi ibo ibp ibr ibs iby ihb ihh ihi iho ihp ihr ihs ihy iib iih iii iio iip iir iis io- iob ioh ioi ioo iop ior ios ipb ipi ipo ipp ipr ips ipy ir- irb iri iro irp irr irs iry is- isb ish isi iso isp isr iss isy iyo iyr iys iyy o-i ob- obb obh obi obo obp obr obs oby ohh ohi oho ohp ohr ohs oib oii oio oip oir ois oo- oob ooh ooi ooo oop oor oos op- opb oph opi opo opp opr ops opy or- orb orh ori oro orp orr ors ory os- osb osh osi oso osp osr oss oyi oyo oys p-p pbb pbi pbo pbp pbr pbs pby phb phi pho php phr phs phy pib pih pii pio pip pir pis pob poh poi poo pop por pos poy ppb pph ppi ppo ppp ppr pps prb prh pri pro prp prr prs pry ps- psb psh psi pso psp psr pss psy py- pyb pyo pyr pys rbb rbh rbi rbo rbp rbr rbs rh- rhb rhh rhi rho rhp rhr rhs rib rih rii rio rip rir ris riy rob roh roi roo rop ror ros roy rpb rph rpi rpo rpp rpr rps rrb rrh rri rrp rrr rrs rsb rsh rsi rso rsp rsr rss ry- ryo ryr rys ryy sbb sbh sbi sbo sbp sbr sbs sby sh- shb shh shi sho shp shr shs shy sib sih sii sio sip sir sis sob soh soi soo sop sor sos soy spb sph spi spo spp spr sps spy sr- srb srh sri sro srp srr srs sry ss- ssb ssh ssi sso ssp ssr sss sy- syb syh syi syp syr sys ybi ybp ybr ybs yby yhi yhs yih yii yio yip yir yis yob yoi yoo yop yor yos yoy ypo yps yro yrp yrs ysb ysi yso ysp ysr yss ysy yyb yys yyy