-er -th b-p bbb bbe bbg bbh bbi bbp bbr bbs bbt bbx be- beb bee beg beh bei bep ber bes bet bex bgb bge bgg bgh bgi bgp bgr bgs bgt bgx bhb bhe bhg bhh bhi bhp bhr bhs bht bhx bi- bib bie big bih bii bip bir bis bit bix bpb bpe bpg bph bpi bpp bpr bps bpt bpx brb bre brg brh bri brp brr brs brt brx bsb bse bsg bsh bsi bsp bsr bss bst bsx btb bte btg bth bti btp btr bts btt btx bxb bxi bxx ebb ebe ebg ebh ebi ebp ebr ebs ebt ebx eeb eee eeg eep eer ees eet eex egb ege egg egh egi egp egr egs egt egx ehb ehe ehg ehh ehi ehp ehr ehs eht eib eie eig eii eip eir eis eit eix ep- epb epe epg eph epi epp epr eps ept epx erb ere erg erh eri erp err ers ert es- esb ese esg esh esi esp esr ess est esx etb ete etg eth eti etp etr ets ett etx ex- exe exh exi exp exr exs ext exx g-p gbe gbg gbh gbi gbp gbr gbs gbt gbx ge- geb gee geg geh gei gep ger ges get gex ggb ggg ggh ggi ggp ggr ggs ggt ghb ghe ghg ghh ghi ghp ghr ghs ght gib gie gig gih gii gip gir gis git gpb gpe gpg gph gpi gpp gpr gps gpt gpx grb gre grg grh gri grp grr grs grt grx gsb gse gsg gsi gsp gsr gss gst gsx gtb gte gtg gth gti gtp gtr gts gtt gtx gxp gxs gxt h-i hbb hbe hbg hbh hbi hbp hbr hbs hbt hbx he- heb hee heg heh hei hep her hes het hex hgb hge hgg hgh hgi hgp hgr hgs hgt hhb hhe hhg hhh hhi hhp hhr hhs hht hib hie hig hih hii hip hir his hit hix hpb hpe hpg hph hpi hpp hpr hps hpt hr- hrb hre hrg hrh hri hrp hrr hrs hrt hsb hse hsg hsh hsi hsp hsr hss hst hsx htb hte htg hth hti htp htr hts htt htx ibb ibe ibg ibh ibi ibp ibr ibs ibt ibx ie- iee ieg iei iep ier ies iet iex igb ige igg igh igi igp igr igs igt ihb ihe ihg ihh ihi ihp ihr ihs iht iib iie iih iii iip iir iis iit iix ipb ipe ipg ipi ipp ipr ips ipt ipx ir- irb ire irg iri irp irr irs irt irx is- isb ise isg ish isi isp isr iss ist itb ite itg ith iti itp its itt itx ixe ixi p-p pbb pbe pbg pbi pbp pbr pbs pbt pbx peb pee peg peh pei pep per pes pet pex pgb pge pgg pgh pgi pgp pgr pgs pgt phb phe phg phi php phr phs pht phx pib pie pig pih pii pip pir pis pit pix ppb ppe ppg pph ppi ppp ppr pps ppt ppx prb pre prg prh pri prp prr prs prt prx ps- psb pse psg psh psi psp psr pss pst psx pt- ptb pte ptg pth pti ptp ptr pts ptt ptx pxe pxg pxr pxs pxt rbb rbe rbg rbh rbi rbp rbr rbs rbt rbx re- reb ree reg reh rei rep rer res ret rex rgb rge rgg rgh rgi rgp rgr rgs rgt rgx rh- rhb rhe rhg rhh rhi rhp rhr rhs rht rib rie rig rih rii rip rir ris rit rix rpb rpe rpg rph rpi rpp rpr rps rpt rpx rrb rrg rrh rri rrp rrr rrs rrt rsb rse rsg rsh rsi rsp rsr rss rst rsx rtb rte rtg rti rtp rtr rts rtt rtx rxp rxr rxs sbb sbe sbg sbh sbi sbp sbr sbs sbt sbx se- seb see seg seh sei sep ser ses set sex sgb sge sgg sgh sgi sgp sgr sgs sgt sgx sh- shb she shg shh shi shp shr shs sht sib sie sig sih sii sip sir sis sit six spb spe spg sph spi spp spr sps spt spx sr- srb sre srg srh sri srp srr srs srt srx ss- ssb sse ssg ssh ssi ssp ssr sss sst ssx stb ste stg sth sti stp str sts stt stx sxi sxs sxt t-x tbb tbe tbg tbh tbi tbp tbr tbs tbt te- teb tee teg teh tei tep ter tes tet tex tgb tge tgg tgh tgi tgp tgr tgs tgt th- thb the thg thh thi thp thr ths tht thx tib tie tig tih tii tip tir tis tit tix tpb tpe tpg tph tpi tpp tpr tps tpt tpx trb tre trg trh tri trp trr trs trt trx tsb tse tsg tsh tsi tsp tsr tss tst tsx ttb tte ttg tth tti ttp ttr tts ttt ttx txe txi txs txt xbe xbr xbx xee xeg xep xer xes xet xex xge xgi xgp xhp xht xie xii xis xit xix xpb xpe xpg xpp xps xpt xrt xrx xsb xsi xsp xss xst xti xtp xtr xts xtx xxi xxp xxx