-er -th ddd dde ddf ddh ddi ddo ddr dds ddt de- ded dee def deh dei deo der des det dfd dfe dff dfh dfi dfo dfr dfs dft dh- dhd dhe dhf dhh dhi dho dhr dhs dht di- did die dif dih dii dio dir dis dit dod doe dof doh doi doo dor dos dot drd dre dri dro drr drs drt dsd dse dsf dsh dsi dso dsr dss dst dtd dte dtf dth dti dto dtr dts dtt ed- edd ede edf edh edi edo edr eds edt eed eee eef eeo eer ees eet ef- efd efe eff efh efi efo efr efs eft ehd ehe ehf ehh ehi eho ehr ehs eht eid eie eif eii eio eir eis eit eo- eod eoe eof eoh eoi eoo eor eos eot erd ere erf erh eri ero err ers ert es- esd ese esf esh esi eso esr ess est etd ete etf eth eti eto etr ets ett fdd fde fdf fdh fdi fdo fdr fds fdt fed fee fef feh fei feo fer fes fet ffd ffe fff ffh ffi ffo ffr ffs fft fhe fhf fhh fhi fho fhr fhs fid fie fif fih fii fir fis fit foe fof foh foi foo for fos fot frd fre frf frh fri fro frr frs frt fsd fse fsf fsh fsi fso fsr fss fst ftd fte ftf fth fti fto ftr fts ftt h-i hdd hde hdf hdh hdi hdo hdr hds hdt he- hed hee hef heh hei heo her hes het hfd hfe hff hfh hfi hfo hfr hfs hft hhd hhe hhf hhh hhi hho hhr hhs hht hid hie hif hih hii hio hir his hit hod hoe hof hoh hoi hoo hor hos hot hr- hrd hre hrf hrh hri hro hrr hrs hrt hsd hse hsf hsh hsi hsr hss hst htd hte htf hth hti hto htr hts htt i-d i-f idd ide idf idh idi ido idr ids idt ie- ied iee ief iei ier ies iet ifd ife iff ifi ifo ifr ifs ift ihd ihe ihf ihh ihi iho ihr ihs iht iid iie iif iih iii iio iir iis iit io- iod ioe iof ioh ioi ioo ior ios iot ir- ird ire irf iri iro irr irs irt is- isd ise isf ish isi iso isr iss ist itd ite itf ith iti ito its itt o-i odd ode odf odh odi odo odr ods odt oed oee oef oeh oei oeo oer oes oet of- ofd ofe off ofi ofo ofr ofs oft ohd ohe ohf ohh ohi oho ohr ohs oht oid oie oif oii oio oir ois oit oo- ood oof ooh ooi ooo oor oos oot or- ord ore orf orh ori oro orr ors ort os- osd ose osf osh osi oso osr oss ost ot- otd ote otf oth oti oto otr ots ott rdd rde rdf rdh rdi rdo rdr rds rdt re- red ree ref reh rei reo rer res ret rfd rfe rff rfh rfi rfo rfr rfs rft rh- rhd rhe rhf rhh rhi rho rhr rhs rht rid rie rif rih rii rio rir ris rit rod roe rof roh roi roo ror ros rot rrd rrf rrh rri rrr rrs rrt rsd rse rsf rsh rsi rso rsr rss rst rtd rte rtf rti rto rtr rts rtt sdd sde sdf sdh sdi sdo sdr sds sdt se- sed see sef seh sei seo ser ses set sfd sfe sff sfh sfi sfo sfr sfs sft sh- shd she shf shh shi sho shr shs sht sid sie sif sih sii sio sir sis sit sod soe sof soh soi soo sor sos sot sr- srd sre srf srh sri sro srr srs srt ss- ssd sse ssf ssh ssi sso ssr sss sst std ste stf sth sti sto str sts stt tdd tde tdf tdh tdi tdo tdr tds tdt te- ted tee tef teh tei teo ter tes tet tfd tfe tff tfh tfi tfo tfr tfs tft th- thd the thf thh thi tho thr ths tht tid tie tif tih tii tio tir tis tit to- tod toe tof toh toi too tor tos tot trd tre trf trh tri tro trr trs trt tsd tse tsf tsh tsi tso tsr tss tst ttd tte ttf tth tti tto ttr tts ttt