-er -th eee eef eek eer ees eet ef- efe eff efh efi efr efs eft ehe ehf ehh ehi ehr ehs eht eie eif eii eik eir eis eit eke ekf ekh eki ekr eks ekt ere erf erh eri erk err ers ert es- ese esf esh esi esk esr ess est ete etf eth eti etk etr ets ett fee fef feh fei fek fer fes fet ffe fff ffh ffi ffk ffr ffs fft fhe fhf fhh fhi fhr fhs fie fif fih fii fik fir fis fit fkf fki fkk fkt fre frf frh fri frk frr frs frt fse fsf fsh fsi fsk fsr fss fst fte ftf fth fti ftk ftr fts ftt h-i he- hee hef heh hei hek her hes het hfe hff hfh hfi hfk hfr hfs hft hhe hhf hhh hhi hhk hhr hhs hht hie hif hih hii hik hir his hit hkf hkh hki hkk hkr hks hkt hr- hre hrf hrh hri hrk hrr hrs hrt hse hsf hsh hsi hsk hsr hss hst hte htf hth hti htk htr hts htt i-f ie- iee ief iei iek ier ies iet ife iff ifi ifr ifs ift ihe ihf ihh ihi ihk ihr ihs iht iie iif iih iii iir iis iit ike ikf iki ikk ikr iks ikt ir- ire irf iri irk irr irs irt is- ise isf ish isi isk isr iss ist ite itf ith iti itk its itt k-t ke- kee kef keh kei kek ker kes ket kff kfh kfi kfs khe khf khh khi khk khr khs kie kif kih kii kik kir kis kit kke kkh kki kkk kkr kks kkt krf kri krk krr krs krt kse ksf ksh ksi ksk ksr kss kst kte ktf kth ktk ktr kts ktt re- ree ref reh rei rek rer res ret rfe rff rfh rfi rfk rfr rfs rft rh- rhe rhf rhh rhi rhr rhs rht rie rif rih rii rik rir ris rit rke rkf rkk rks rkt rrf rrh rri rrk rrr rrs rrt rse rsf rsh rsi rsk rsr rss rst rte rtf rti rtk rtr rts rtt se- see sef seh sei sek ser ses set sfe sff sfh sfi sfk sfr sfs sft sh- she shf shh shi shk shr shs sht sie sif sih sii sik sir sis sit sk- ske skf skh ski skk skr sks skt sr- sre srf srh sri srk srr srs srt ss- sse ssf ssh ssi ssk ssr sss sst ste stf sth sti stk str sts stt te- tee tef teh tei tek ter tes tet tfe tff tfh tfi tfk tfr tfs tft th- the thf thh thi thk thr ths tht tie tif tih tii tik tir tis tit tke tkk tkr tks tkt tre trf trh tri trk trr trs trt tse tsf tsh tsi tsk tsr tss tst tte ttf tth tti ttk ttr tts ttt