ree ref reh rei rel reo rer res ret rfc rfd rfe rff rfh rfi rfl rfo rfr rfs rft rh- rhc rhd rhe rhf rhh rhi rhl rho rhr rhs rht ric rid rie rif rih rii ril rio rir ris rit rlc rld rle rlf rlh rli rll rlo rlr rls rlt roc rod roe rof roh roi rol roo ror ros rot rrc rrd rrf rrh rri rrl rrr rrs rrt rsc rsd rse rsf rsh rsi rsl rso rsr rss rst rtc rtd rte rtf rti rtl rto rtr rts rtt scc scd sce scf sch sci scl sco scr scs sct sdc sdd sde sdf sdh sdi sdl sdo sdr sds sdt se- sec sed see sef seh sei sel seo ser ses set sfc sfd sfe sff sfh sfi sfl sfo sfr sfs sft sh- shc shd she shf shh shi shl sho shr shs sht sic sid sie sif sih sii sil sio sir sis sit slc sld sle slf slh sli sll slo slr sls slt soc sod soe sof soh soi sol soo sor sos sot sr- src srd sre srf srh sri srl sro srr srs srt ss- ssc ssd sse ssf ssh ssi ssl sso ssr sss sst stc std ste stf sth sti stl sto str sts stt tcc tcd tce tcf tch tci tcl tco tcr tcs tct tdc tdd tde tdf tdh tdi tdl tdo tdr tds tdt te- tec ted tee tef teh tei tel teo ter tes tet tfc tfd tfe tff tfh tfi tfl tfo tfr tfs tft th- thc thd the thf thh thi thl tho thr ths tht tic tid tie tif tih tii til tio tir tis tit tlc tld tle tlf tlh tli tll tlo tlr tls tlt to- toc tod toe tof toh toi tol too tor tos tot trc trd tre trf trh tri trl tro trr trs trt tsc tsd tse tsf tsh tsi tsl tso tsr tss tst ttc ttd tte ttf tth tti ttl tto ttr tts ttt