-er -th b-p bbb bbe bbh bbi bbp bbr bbs bbt be- beb bee beh bei bep ber bes bet bhb bhe bhh bhi bhp bhr bhs bht bi- bib bie bih bii bip bir bis bit bpb bpe bph bpi bpp bpr bps bpt brb bre brh bri brp brr brs brt bsb bse bsh bsi bsp bsr bss bst btb bte bth bti btp btr bts btt ebb ebe ebh ebi ebp ebr ebs ebt eeb eee eep eer ees eet ehb ehe ehh ehi ehp ehr ehs eht eib eie eii eip eir eis eit ep- epb epe eph epi epp epr eps ept erb ere erh eri erp err ers ert es- esb ese esh esi esp esr ess est etb ete eth eti etp etr ets ett h-i hbb hbe hbh hbi hbp hbr hbs hbt he- heb hee heh hei hep her hes het hhb hhe hhh hhi hhp hhr hhs hht hib hie hih hii hip hir his hit hpb hpe hph hpi hpp hpr hps hpt hr- hrb hre hrh hri hrp hrr hrs hrt hsb hse hsh hsi hsp hsr hss hst htb hte hth hti htp htr hts htt ibb ibe ibh ibi ibp ibr ibs ibt ie- iee iei iep ier ies iet ihb ihe ihh ihi ihp ihr ihs iht iib iie iih iii iip iir iis iit ipb ipe ipi ipp ipr ips ipt ir- irb ire iri irp irr irs irt is- isb ise ish isi isp isr iss ist itb ite ith iti itp its itt p-p pbb pbe pbi pbp pbr pbs pbt peb pee peh pei pep per pes pet phb phe phi php phr phs pht pib pie pih pii pip pir pis pit ppb ppe pph ppi ppp ppr pps ppt prb pre prh pri prp prr prs prt ps- psb pse psh psi psp psr pss pst pt- ptb pte pth pti ptp ptr pts ptt rbb rbe rbh rbi rbp rbr rbs rbt re- reb ree reh rei rep rer res ret rh- rhb rhe rhh rhi rhp rhr rhs rht rib rie rih rii rip rir ris rit rpb rpe rph rpi rpp rpr rps rpt rrb rrh rri rrp rrr rrs rrt rsb rse rsh rsi rsp rsr rss rst rtb rte rti rtp rtr rts rtt sbb sbe sbh sbi sbp sbr sbs sbt se- seb see seh sei sep ser ses set sh- shb she shh shi shp shr shs sht sib sie sih sii sip sir sis sit spb spe sph spi spp spr sps spt sr- srb sre srh sri srp srr srs srt ss- ssb sse ssh ssi ssp ssr sss sst stb ste sth sti stp str sts stt tbb tbe tbh tbi tbp tbr tbs tbt te- teb tee teh tei tep ter tes tet th- thb the thh thi thp thr ths tht tib tie tih tii tip tir tis tit tpb tpe tph tpi tpp tpr tps tpt trb tre trh tri trp trr trs trt tsb tse tsh tsi tsp tsr tss tst ttb tte tth tti ttp ttr tts ttt