rif rig rii ril rim rin rio rir ris rit rle rlf rlg rli rll rlm rln rlo rlr rls rlt rme rmf rmg rmi rml rmm rmn rmo rmr rms rmt rng rni rnm rnn rno rnr rns rnt roe rof rog roi rol rom ron roo ror ros rot rrf rrg rri rrl rrm rrn rrr rrs rrt rse rsf rsg rsi rsl rsm rsn rso rsr rss rst rte rtf rtg rti rtl rtm rtn rto rtr rts rtt se- see sef seg sei sel sem sen seo ser ses set sfe sff sfg sfi sfl sfm sfn sfo sfr sfs sft sge sgf sgg sgi sgl sgm sgn sgo sgr sgs sgt sie sif sig sii sil sim sin sio sir sis sit sle slf slg sli sll slm sln slo slr sls slt sme smf smg smi sml smm smn smo smr sms smt sne snf sng sni snl snm snn sno snr sns snt soe sof sog soi sol som son soo sor sos sot sr- sre srf srg sri srl srm srn sro srr srs srt ss- sse ssf ssg ssi ssl ssm ssn sso ssr sss sst ste stf stg sti stl stm stn sto str sts stt te- tee tef teg tei tel tem ten teo ter tes tet tfe tff tfg tfi tfl tfm tfn tfo tfr tfs tft tge tgf tgg tgi tgl tgm tgn tgo tgr tgs tgt tie tif tig tii til tim tin tio tir tis tit tle tlf tlg tli tll tlm tln tlo tlr tls tlt tme tmf tmg tmi tml tmm tmn tmo tmr tms tmt tne tnf tng tni tnl tnm tnn tno tnr tns tnt to- toe tof tog toi tol tom ton too tor tos tot tre trf trg tri trl trm trn tro trr trs trt tse tsf tsg tsi tsl tsm tsn tso tsr tss tst tte ttf ttg tti ttl ttm ttn tto ttr tts ttt