b-p bbb bbh bbi bbo bbp bbs bhb bhh bhi bho bhp bhs bi- bib bih bii bio bip bis bob boh boi boo bop bos bpb bph bpi bpo bpp bps bsb bsh bsi bso bsp bss h-i hbb hbh hbi hbo hbp hbs hhb hhh hhi hho hhp hhs hib hih hii hio hip his hob hoh hoi hoo hop hos hpb hph hpi hpo hpp hps hsb hsh hsi hsp hss ibb ibh ibi ibo ibp ibs ihb ihh ihi iho ihp ihs iib iih iii iio iip iis io- iob ioh ioi ioo iop ios ipb ipi ipo ipp ips is- isb ish isi iso isp iss o-i ob- obb obh obi obo obp obs ohh ohi oho ohp ohs oib oii oio oip ois oo- oob ooh ooi ooo oop oos op- opb oph opi opo opp ops os- osb osh osi oso osp oss p-p pbb pbi pbo pbp pbs phb phi pho php phs pib pih pii pio pip pis pob poh poi poo pop pos ppb pph ppi ppo ppp pps ps- psb psh psi pso psp pss sbb sbh sbi sbo sbp sbs sh- shb shh shi sho shp shs sib sih sii sio sip sis sob soh soi soo sop sos spb sph spi spo spp sps ss- ssb ssh ssi sso ssp sss