b-p bbb bbe bbh bbi bbp bbs be- beb bee beh bei bep bes bhb bhe bhh bhi bhp bhs bi- bib bie bih bii bip bis bpb bpe bph bpi bpp bps bsb bse bsh bsi bsp bss ebb ebe ebh ebi ebp ebs eeb eee eep ees ehb ehe ehh ehi ehp ehs eib eie eii eip eis ep- epb epe eph epi epp eps es- esb ese esh esi esp ess h-i hbb hbe hbh hbi hbp hbs he- heb hee heh hei hep hes hhb hhe hhh hhi hhp hhs hib hie hih hii hip his hpb hpe hph hpi hpp hps hsb hse hsh hsi hsp hss ibb ibe ibh ibi ibp ibs ie- iee iei iep ies ihb ihe ihh ihi ihp ihs iib iie iih iii iip iis ipb ipe ipi ipp ips is- isb ise ish isi isp iss p-p pbb pbe pbi pbp pbs peb pee peh pei pep pes phb phe phi php phs pib pie pih pii pip pis ppb ppe pph ppi ppp pps ps- psb pse psh psi psp pss sbb sbe sbh sbi sbp sbs se- seb see seh sei sep ses sh- shb she shh shi shp shs sib sie sih sii sip sis spb spe sph spi spp sps ss- ssb sse ssh ssi ssp sss