-er -th ddd dde ddh ddi ddp ddr dds ddt de- ded dee deh dei dep der des det dh- dhd dhe dhh dhi dhp dhr dhs dht di- did die dih dii dip dir dis dit dpd dpe dph dpi dpp dpr dps dpt drd dre dri drp drr drs drt dsd dse dsh dsi dsp dsr dss dst dtd dte dth dti dtp dtr dts dtt ed- edd ede edh edi edp edr eds edt eed eee eep eer ees eet ehd ehe ehh ehi ehp ehr ehs eht eid eie eii eip eir eis eit ep- epd epe eph epi epp epr eps ept erd ere erh eri erp err ers ert es- esd ese esh esi esp esr ess est etd ete eth eti etp etr ets ett h-i hdd hde hdh hdi hdp hdr hds hdt he- hed hee heh hei hep her hes het hhd hhe hhh hhi hhp hhr hhs hht hid hie hih hii hip hir his hit hpd hpe hph hpi hpp hpr hps hpt hr- hrd hre hrh hri hrp hrr hrs hrt hsd hse hsh hsi hsp hsr hss hst htd hte hth hti htp htr hts htt i-d idd ide idh idi idp idr ids idt ie- ied iee iei iep ier ies iet ihd ihe ihh ihi ihp ihr ihs iht iid iie iih iii iip iir iis iit ipd ipe ipi ipp ipr ips ipt ir- ird ire iri irp irr irs irt is- isd ise ish isi isp isr iss ist itd ite ith iti itp its itt p-p pdd pde pdh pdi pdp pdr pds pdt ped pee peh pei pep per pes pet phd phe phi php phr phs pht pid pie pih pii pip pir pis pit ppd ppe pph ppi ppp ppr pps ppt prd pre prh pri prp prr prs prt ps- psd pse psh psi psp psr pss pst pt- ptd pte pth pti ptp ptr pts ptt rdd rde rdh rdi rdp rdr rds rdt re- red ree reh rei rep rer res ret rh- rhd rhe rhh rhi rhp rhr rhs rht rid rie rih rii rip rir ris rit rpd rpe rph rpi rpp rpr rps rpt rrd rrh rri rrp rrr rrs rrt rsd rse rsh rsi rsp rsr rss rst rtd rte rti rtp rtr rts rtt sdd sde sdh sdi sdp sdr sds sdt se- sed see seh sei sep ser ses set sh- shd she shh shi shp shr shs sht sid sie sih sii sip sir sis sit spd spe sph spi spp spr sps spt sr- srd sre srh sri srp srr srs srt ss- ssd sse ssh ssi ssp ssr sss sst std ste sth sti stp str sts stt tdd tde tdh tdi tdp tdr tds tdt te- ted tee teh tei tep ter tes tet th- thd the thh thi thp thr ths tht tid tie tih tii tip tir tis tit tpd tpe tph tpi tpp tpr tps tpt trd tre trh tri trp trr trs trt tsd tse tsh tsi tsp tsr tss tst ttd tte tth tti ttp ttr tts ttt