-th b-p bbb bbe bbh bbi bbp bbs bbt be- beb bee beh bei bep bes bet bhb bhe bhh bhi bhp bhs bht bi- bib bie bih bii bip bis bit bpb bpe bph bpi bpp bps bpt bsb bse bsh bsi bsp bss bst btb bte bth bti btp bts btt ebb ebe ebh ebi ebp ebs ebt eeb eee eep ees eet ehb ehe ehh ehi ehp ehs eht eib eie eii eip eis eit ep- epb epe eph epi epp eps ept es- esb ese esh esi esp ess est etb ete eth eti etp ets ett h-i hbb hbe hbh hbi hbp hbs hbt he- heb hee heh hei hep hes het hhb hhe hhh hhi hhp hhs hht hib hie hih hii hip his hit hpb hpe hph hpi hpp hps hpt hsb hse hsh hsi hsp hss hst htb hte hth hti htp hts htt ibb ibe ibh ibi ibp ibs ibt ie- iee iei iep ies iet ihb ihe ihh ihi ihp ihs iht iib iie iih iii iip iis iit ipb ipe ipi ipp ips ipt is- isb ise ish isi isp iss ist itb ite ith iti itp its itt p-p pbb pbe pbi pbp pbs pbt peb pee peh pei pep pes pet phb phe phi php phs pht pib pie pih pii pip pis pit ppb ppe pph ppi ppp pps ppt ps- psb pse psh psi psp pss pst pt- ptb pte pth pti ptp pts ptt sbb sbe sbh sbi sbp sbs sbt se- seb see seh sei sep ses set sh- shb she shh shi shp shs sht sib sie sih sii sip sis sit spb spe sph spi spp sps spt ss- ssb sse ssh ssi ssp sss sst stb ste sth sti stp sts stt tbb tbe tbh tbi tbp tbs tbt te- teb tee teh tei tep tes tet th- thb the thh thi thp ths tht tib tie tih tii tip tis tit tpb tpe tph tpi tpp tps tpt tsb tse tsh tsi tsp tss tst ttb tte tth tti ttp tts ttt