b-p bbb bbe bbh bbi bbo bbp bbs be- beb bee beh bei beo bep bes bhb bhe bhh bhi bho bhp bhs bi- bib bie bih bii bio bip bis bob boe boh boi boo bop bos bpb bpe bph bpi bpo bpp bps bsb bse bsh bsi bso bsp bss ebb ebe ebh ebi ebo ebp ebs eeb eee eeo eep ees ehb ehe ehh ehi eho ehp ehs eib eie eii eio eip eis eo- eob eoe eoh eoi eoo eop eos ep- epb epe eph epi epo epp eps es- esb ese esh esi eso esp ess h-i hbb hbe hbh hbi hbo hbp hbs he- heb hee heh hei heo hep hes hhb hhe hhh hhi hho hhp hhs hib hie hih hii hio hip his hob hoe hoh hoi hoo hop hos hpb hpe hph hpi hpo hpp hps hsb hse hsh hsi hsp hss ibb ibe ibh ibi ibo ibp ibs ie- iee iei iep ies ihb ihe ihh ihi iho ihp ihs iib iie iih iii iio iip iis io- iob ioe ioh ioi ioo iop ios ipb ipe ipi ipo ipp ips is- isb ise ish isi iso isp iss o-i ob- obb obe obh obi obo obp obs oeb oee oeh oei oeo oep oes ohe ohh ohi oho ohp ohs oib oie oii oio oip ois oo- oob ooh ooi ooo oop oos op- opb ope oph opi opo opp ops os- osb ose osh osi oso osp oss p-p pbb pbe pbi pbo pbp pbs peb pee peh pei peo pep pes phb phe phi pho php phs pib pie pih pii pio pip pis pob poe poh poi poo pop pos ppb ppe pph ppi ppo ppp pps ps- psb pse psh psi pso psp pss sbb sbe sbh sbi sbo sbp sbs se- seb see seh sei seo sep ses sh- shb she shh shi sho shp shs sib sie sih sii sio sip sis sob soe soh soi soo sop sos spb spe sph spi spo spp sps ss- ssb sse ssh ssi sso ssp sss