ree reg rei rel ren reo rep rer res ret rgc rge rgg rgi rgn rgo rgp rgr rgs rgt ric rie rig rii ril rin rio rip rir ris rit rlc rle rlg rli rll rln rlo rlp rlr rls rlt rnc rng rni rnn rno rnp rnr rns rnt roc roe rog roi rol ron roo rop ror ros rot rpc rpe rpg rpi rpl rpn rpo rpp rpr rps rpt rrc rrg rri rrl rrn rrp rrr rrs rrt rsc rse rsg rsi rsl rsn rso rsp rsr rss rst rtc rte rtg rti rtl rtn rto rtp rtr rts rtt scc sce scg sci scl scn sco scp scr scs sct se- sec see seg sei sel sen seo sep ser ses set sgc sge sgg sgi sgl sgn sgo sgp sgr sgs sgt sic sie sig sii sil sin sio sip sir sis sit slc sle slg sli sll sln slo slp slr sls slt snc sne sng sni snl snn sno snp snr sns snt soc soe sog soi sol son soo sop sor sos sot spc spe spg spi spl spn spo spp spr sps spt sr- src sre srg sri srl srn sro srp srr srs srt ss- ssc sse ssg ssi ssl ssn sso ssp ssr sss sst stc ste stg sti stl stn sto stp str sts stt tcc tce tcg tci tcl tcn tco tcp tcr tcs tct te- tec tee teg tei tel ten teo tep ter tes tet tgc tge tgg tgi tgl tgn tgo tgp tgr tgs tgt tic tie tig tii til tin tio tip tir tis tit tlc tle tlg tli tll tln tlo tlp tlr tls tlt tnc tne tng tni tnl tnn tno tnp tnr tns tnt to- toc toe tog toi tol ton too top tor tos tot tpc tpe tpg tpi tpl tpn tpo tpp tpr tps tpt trc tre trg tri trl trn tro trp trr trs trt tsc tse tsg tsi tsl tsn tso tsp tsr tss tst ttc tte ttg tti ttl ttn tto ttp ttr tts ttt