reg rei rel ren rep rer res ret rfa rfe rff rfg rfi rfl rfn rfp rfr rfs rft rga rge rgf rgg rgi rgn rgp rgr rgs rgt ria rie rif rig rii ril rin rip rir ris rit rla rle rlf rlg rli rll rln rlp rlr rls rlt rna rng rni rnn rnp rnr rns rnt rpa rpe rpf rpg rpi rpl rpn rpp rpr rps rpt rra rrf rrg rri rrl rrn rrp rrr rrs rrt rsa rse rsf rsg rsi rsl rsn rsp rsr rss rst rta rte rtf rtg rti rtl rtn rtp rtr rts rtt saa sae saf sag sai sal san sap sar sas sat se- sea see sef seg sei sel sen sep ser ses set sfa sfe sff sfg sfi sfl sfn sfp sfr sfs sft sga sge sgf sgg sgi sgl sgn sgp sgr sgs sgt sia sie sif sig sii sil sin sip sir sis sit sla sle slf slg sli sll sln slp slr sls slt sna sne snf sng sni snl snn snp snr sns snt spa spe spf spg spi spl spn spp spr sps spt sr- sra sre srf srg sri srl srn srp srr srs srt ss- ssa sse ssf ssg ssi ssl ssn ssp ssr sss sst sta ste stf stg sti stl stn stp str sts stt taa tae taf tag tai tal tan tap tar tas tat te- tea tee tef teg tei tel ten tep ter tes tet tfa tfe tff tfg tfi tfl tfn tfp tfr tfs tft tga tge tgf tgg tgi tgl tgn tgp tgr tgs tgt tia tie tif tig tii til tin tip tir tis tit tla tle tlf tlg tli tll tln tlp tlr tls tlt tna tne tnf tng tni tnl tnn tnp tnr tns tnt tpa tpe tpf tpg tpi tpl tpn tpp tpr tps tpt tra tre trf trg tri trl trn trp trr trs trt tsa tse tsf tsg tsi tsl tsn tsp tsr tss tst tta tte ttf ttg tti ttl ttn ttp ttr tts ttt