b-p bbb bbh bbi bbm bbo bbp bbr bbs bhb bhh bhi bhm bho bhp bhr bhs bi- bib bih bii bim bio bip bir bis bmb bmh bmi bmm bmo bmp bmr bms bob boh boi bom boo bop bor bos bpb bph bpi bpm bpo bpp bpr bps brb brh bri brm bro brp brr brs bsb bsh bsi bsm bso bsp bsr bss h-i hbb hbh hbi hbm hbo hbp hbr hbs hhb hhh hhi hhm hho hhp hhr hhs hib hih hii him hio hip hir his hmb hmh hmi hmm hmo hmp hmr hms hob hoh hoi hom hoo hop hor hos hpb hph hpi hpm hpo hpp hpr hps hr- hrb hrh hri hrm hro hrp hrr hrs hsb hsh hsi hsm hsp hsr hss ibb ibh ibi ibm ibo ibp ibr ibs ihb ihh ihi ihm iho ihp ihr ihs iib iih iii iim iio iip iir iis im- imb imh imi imm imo imp ims io- iob ioh ioi iom ioo iop ior ios ipb ipi ipm ipo ipp ipr ips ir- irb iri irm iro irp irr irs is- isb ish isi ism iso isp isr iss m-o m-r mbb mbh mbi mbm mbo mbp mbr mbs mhh mhi mhm mho mhp mhr mhs mi- mib mih mii mim mio mip mir mis mmb mmh mmi mmm mmo mmp mmr mms mob moh moi mom moo mop mor mos mpb mph mpi mpm mpo mpp mpr mps mrb mrh mri mrm mro mrp mrr mrs msb msh msi msm mso msp msr mss o-i ob- obb obh obi obm obo obp obr obs ohh ohi ohm oho ohp ohr ohs oib oii oim oio oip oir ois om- omb omh omi omm omo omp omr oms oo- oob ooh ooi oom ooo oop oor oos op- opb oph opi opm opo opp opr ops or- orb orh ori orm oro orp orr ors os- osb osh osi osm oso osp osr oss p-p pbb pbi pbm pbo pbp pbr pbs phb phi phm pho php phr phs pib pih pii pim pio pip pir pis pmb pmh pmi pmm pmo pmp pmr pms pob poh poi pom poo pop por pos ppb pph ppi ppm ppo ppp ppr pps prb prh pri prm pro prp prr prs ps- psb psh psi psm pso psp psr pss rbb rbh rbi rbm rbo rbp rbr rbs rh- rhb rhh rhi rhm rho rhp rhr rhs rib rih rii rim rio rip rir ris rmb rmh rmi rmm rmo rmp rmr rms rob roh roi rom roo rop ror ros rpb rph rpi rpm rpo rpp rpr rps rrb rrh rri rrm rrp rrr rrs rsb rsh rsi rsm rso rsp rsr rss sbb sbh sbi sbm sbo sbp sbr sbs sh- shb shh shi shm sho shp shr shs sib sih sii sim sio sip sir sis smb smh smi smm smo smp smr sms sob soh soi som soo sop sor sos spb sph spi spm spo spp spr sps sr- srb srh sri srm sro srp srr srs ss- ssb ssh ssi ssm sso ssp ssr sss