b-p bbb bbd bbh bbi bbo bbp bbr bbs bdb bdd bdh bdi bdo bdp bdr bds bhb bhd bhh bhi bho bhp bhr bhs bi- bib bid bih bii bio bip bir bis bob bod boh boi boo bop bor bos bpb bpd bph bpi bpo bpp bpr bps brb brd brh bri bro brp brr brs bsb bsd bsh bsi bso bsp bsr bss dbb dbd dbh dbi dbo dbp dbr dbs ddb ddd ddh ddi ddo ddp ddr dds dh- dhb dhd dhh dhi dho dhp dhr dhs di- dib did dih dii dio dip dir dis dob dod doh doi doo dop dor dos dpb dpd dph dpi dpo dpp dpr dps drb drd dri dro drp drr drs dsb dsd dsh dsi dso dsp dsr dss h-i hbb hbd hbh hbi hbo hbp hbr hbs hdb hdd hdh hdi hdo hdp hdr hds hhb hhd hhh hhi hho hhp hhr hhs hib hid hih hii hio hip hir his hob hod hoh hoi hoo hop hor hos hpb hpd hph hpi hpo hpp hpr hps hr- hrb hrd hrh hri hro hrp hrr hrs hsb hsd hsh hsi hsp hsr hss i-d ibb ibd ibh ibi ibo ibp ibr ibs idb idd idh idi ido idp idr ids ihb ihd ihh ihi iho ihp ihr ihs iib iid iih iii iio iip iir iis io- iob iod ioh ioi ioo iop ior ios ipb ipd ipi ipo ipp ipr ips ir- irb ird iri iro irp irr irs is- isb isd ish isi iso isp isr iss o-i ob- obb obd obh obi obo obp obr obs odb odd odh odi odo odp odr ods ohd ohh ohi oho ohp ohr ohs oib oid oii oio oip oir ois oo- oob ood ooh ooi ooo oop oor oos op- opb opd oph opi opo opp opr ops or- orb ord orh ori oro orp orr ors os- osb osd osh osi oso osp osr oss p-p pbb pbd pbi pbo pbp pbr pbs pdb pdd pdh pdi pdo pdp pdr pds phb phd phi pho php phr phs pib pid pih pii pio pip pir pis pob pod poh poi poo pop por pos ppb ppd pph ppi ppo ppp ppr pps prb prd prh pri pro prp prr prs ps- psb psd psh psi pso psp psr pss rbb rbd rbh rbi rbo rbp rbr rbs rdb rdd rdh rdi rdo rdp rdr rds rh- rhb rhd rhh rhi rho rhp rhr rhs rib rid rih rii rio rip rir ris rob rod roh roi roo rop ror ros rpb rpd rph rpi rpo rpp rpr rps rrb rrd rrh rri rrp rrr rrs rsb rsd rsh rsi rso rsp rsr rss sbb sbd sbh sbi sbo sbp sbr sbs sdb sdd sdh sdi sdo sdp sdr sds sh- shb shd shh shi sho shp shr shs sib sid sih sii sio sip sir sis sob sod soh soi soo sop sor sos spb spd sph spi spo spp spr sps sr- srb srd srh sri sro srp srr srs ss- ssb ssd ssh ssi sso ssp ssr sss