b-p bbb bbh bbi bbp bbs bhb bhh bhi bhp bhs bi- bib bih bii bip bis bpb bph bpi bpp bps bsb bsh bsi bsp bss h-i hbb hbh hbi hbp hbs hhb hhh hhi hhp hhs hib hih hii hip his hpb hph hpi hpp hps hsb hsh hsi hsp hss ibb ibh ibi ibp ibs ihb ihh ihi ihp ihs iib iih iii iip iis ipb ipi ipp ips is- isb ish isi isp iss p-p pbb pbi pbp pbs phb phi php phs pib pih pii pip pis ppb pph ppi ppp pps ps- psb psh psi psp pss sbb sbh sbi sbp sbs sh- shb shh shi shp shs sib sih sii sip sis spb sph spi spp sps ss- ssb ssh ssi ssp sss