-er -th ddd dde ddh ddi ddk ddr dds ddt de- ded dee deh dei dek der des det dh- dhd dhe dhh dhi dhk dhr dhs dht di- did die dih dii dik dir dis dit dke dki dkk dkr dks dkt drd dre dri drk drr drs drt dsd dse dsh dsi dsk dsr dss dst dtd dte dth dti dtk dtr dts dtt ed- edd ede edh edi edk edr eds edt eed eee eek eer ees eet ehd ehe ehh ehi ehr ehs eht eid eie eii eik eir eis eit ekd eke ekh eki ekr eks ekt erd ere erh eri erk err ers ert es- esd ese esh esi esk esr ess est etd ete eth eti etk etr ets ett h-i hdd hde hdh hdi hdk hdr hds hdt he- hed hee heh hei hek her hes het hhd hhe hhh hhi hhk hhr hhs hht hid hie hih hii hik hir his hit hkd hkh hki hkk hkr hks hkt hr- hrd hre hrh hri hrk hrr hrs hrt hsd hse hsh hsi hsk hsr hss hst htd hte hth hti htk htr hts htt i-d idd ide idh idi idk idr ids idt ie- ied iee iei iek ier ies iet ihd ihe ihh ihi ihk ihr ihs iht iid iie iih iii iir iis iit ike iki ikk ikr iks ikt ir- ird ire iri irk irr irs irt is- isd ise ish isi isk isr iss ist itd ite ith iti itk its itt k-t kde kdh kdk kdr kds kdt ke- ked kee keh kei kek ker kes ket khe khh khi khk khr khs kid kie kih kii kik kir kis kit kke kkh kki kkk kkr kks kkt krd kri krk krr krs krt ksd kse ksh ksi ksk ksr kss kst kte kth ktk ktr kts ktt rdd rde rdh rdi rdr rds rdt re- red ree reh rei rek rer res ret rh- rhd rhe rhh rhi rhr rhs rht rid rie rih rii rik rir ris rit rke rkk rks rkt rrd rrh rri rrk rrr rrs rrt rsd rse rsh rsi rsk rsr rss rst rtd rte rti rtk rtr rts rtt sdd sde sdh sdi sdk sdr sds sdt se- sed see seh sei sek ser ses set sh- shd she shh shi shk shr shs sht sid sie sih sii sik sir sis sit sk- skd ske skh ski skk skr sks skt sr- srd sre srh sri srk srr srs srt ss- ssd sse ssh ssi ssk ssr sss sst std ste sth sti stk str sts stt tdd tde tdh tdi tdk tdr tds tdt te- ted tee teh tei tek ter tes tet th- thd the thh thi thk thr ths tht tid tie tih tii tik tir tis tit tke tkk tkr tks tkt trd tre trh tri trk trr trs trt tsd tse tsh tsi tsk tsr tss tst ttd tte tth tti ttk ttr tts ttt