rap rar ras rat re- rea ree ref rei rel rem ren rep rer res ret rfa rfe rff rfi rfl rfm rfn rfp rfr rfs rft ria rie rif rii ril rim rin rip rir ris rit rla rle rlf rli rll rlm rln rlp rlr rls rlt rma rme rmf rmi rml rmm rmn rmp rmr rms rmt rna rni rnm rnn rnp rnr rns rnt rpa rpe rpf rpi rpl rpm rpn rpp rpr rps rpt rra rrf rri rrl rrm rrn rrp rrr rrs rrt rsa rse rsf rsi rsl rsm rsn rsp rsr rss rst rta rte rtf rti rtl rtm rtn rtp rtr rts rtt saa sae saf sai sal sam san sap sar sas sat se- sea see sef sei sel sem sen sep ser ses set sfa sfe sff sfi sfl sfm sfn sfp sfr sfs sft sia sie sif sii sil sim sin sip sir sis sit sla sle slf sli sll slm sln slp slr sls slt sma sme smf smi sml smm smn smp smr sms smt sna sne snf sni snl snm snn snp snr sns snt spa spe spf spi spl spm spn spp spr sps spt sr- sra sre srf sri srl srm srn srp srr srs srt ss- ssa sse ssf ssi ssl ssm ssn ssp ssr sss sst sta ste stf sti stl stm stn stp str sts stt taa tae taf tai tal tam tan tap tar tas tat te- tea tee tef tei tel tem ten tep ter tes tet tfa tfe tff tfi tfl tfm tfn tfp tfr tfs tft tia tie tif tii til tim tin tip tir tis tit tla tle tlf tli tll tlm tln tlp tlr tls tlt tma tme tmf tmi tml tmm tmn tmp tmr tms tmt tna tne tnf tni tnl tnm tnn tnp tnr tns tnt tpa tpe tpf tpi tpl tpm tpn tpp tpr tps tpt tra tre trf tri trl trm trn trp trr trs trt tsa tse tsf tsi tsl tsm tsn tsp tsr tss tst tta tte ttf tti ttl ttm ttn ttp ttr tts ttt