reo rer res ret rfa rfe rff rfg rfi rfl rfn rfo rfr rfs rft rga rge rgf rgg rgi rgn rgo rgr rgs rgt ria rie rif rig rii ril rin rio rir ris rit rla rle rlf rlg rli rll rln rlo rlr rls rlt rna rng rni rnn rno rnr rns rnt roa roe rof rog roi rol ron roo ror ros rot rra rrf rrg rri rrl rrn rrr rrs rrt rsa rse rsf rsg rsi rsl rsn rso rsr rss rst rta rte rtf rtg rti rtl rtn rto rtr rts rtt saa sae saf sag sai sal san sao sar sas sat se- sea see sef seg sei sel sen seo ser ses set sfa sfe sff sfg sfi sfl sfn sfo sfr sfs sft sga sge sgf sgg sgi sgl sgn sgo sgr sgs sgt sia sie sif sig sii sil sin sio sir sis sit sla sle slf slg sli sll sln slo slr sls slt sna sne snf sng sni snl snn sno snr sns snt soa soe sof sog soi sol son soo sor sos sot sr- sra sre srf srg sri srl srn sro srr srs srt ss- ssa sse ssf ssg ssi ssl ssn sso ssr sss sst sta ste stf stg sti stl stn sto str sts stt taa tae taf tag tai tal tan tao tar tas tat te- tea tee tef teg tei tel ten teo ter tes tet tfa tfe tff tfg tfi tfl tfn tfo tfr tfs tft tga tge tgf tgg tgi tgl tgn tgo tgr tgs tgt tia tie tif tig tii til tin tio tir tis tit tla tle tlf tlg tli tll tln tlo tlr tls tlt tna tne tnf tng tni tnl tnn tno tnr tns tnt to- toa toe tof tog toi tol ton too tor tos tot tra tre trf trg tri trl trn tro trr trs trt tsa tse tsf tsg tsi tsl tsn tso tsr tss tst tta tte ttf ttg tti ttl ttn tto ttr tts ttt