ran rao rar ras rat re- rea ree ref rei rel rem ren reo rer res ret rfa rfe rff rfi rfl rfm rfn rfo rfr rfs rft ria rie rif rii ril rim rin rio rir ris rit rla rle rlf rli rll rlm rln rlo rlr rls rlt rma rme rmf rmi rml rmm rmn rmo rmr rms rmt rna rni rnm rnn rno rnr rns rnt roa roe rof roi rol rom ron roo ror ros rot rra rrf rri rrl rrm rrn rrr rrs rrt rsa rse rsf rsi rsl rsm rsn rso rsr rss rst rta rte rtf rti rtl rtm rtn rto rtr rts rtt saa sae saf sai sal sam san sao sar sas sat se- sea see sef sei sel sem sen seo ser ses set sfa sfe sff sfi sfl sfm sfn sfo sfr sfs sft sia sie sif sii sil sim sin sio sir sis sit sla sle slf sli sll slm sln slo slr sls slt sma sme smf smi sml smm smn smo smr sms smt sna sne snf sni snl snm snn sno snr sns snt soa soe sof soi sol som son soo sor sos sot sr- sra sre srf sri srl srm srn sro srr srs srt ss- ssa sse ssf ssi ssl ssm ssn sso ssr sss sst sta ste stf sti stl stm stn sto str sts stt taa tae taf tai tal tam tan tao tar tas tat te- tea tee tef tei tel tem ten teo ter tes tet tfa tfe tff tfi tfl tfm tfn tfo tfr tfs tft tia tie tif tii til tim tin tio tir tis tit tla tle tlf tli tll tlm tln tlo tlr tls tlt tma tme tmf tmi tml tmm tmn tmo tmr tms tmt tna tne tnf tni tnl tnm tnn tno tnr tns tnt to- toa toe tof toi tol tom ton too tor tos tot tra tre trf tri trl trm trn tro trr trs trt tsa tse tsf tsi tsl tsm tsn tso tsr tss tst tta tte ttf tti ttl ttm ttn tto ttr tts ttt