pts ptt ra- raa rab raf rai ral ram rao rap rar ras rat rba rbb rbf rbi rbl rbm rbo rbp rbr rbs rbt rfa rfb rff rfi rfl rfm rfo rfp rfr rfs rft ria rib rif rii ril rim rio rip rir ris rit rla rlf rli rll rlm rlo rlp rlr rls rlt rma rmb rmf rmi rml rmm rmo rmp rmr rms rmt roa rob rof roi rol rom roo rop ror ros rot rpa rpb rpf rpi rpl rpm rpo rpp rpr rps rpt rra rrb rrf rri rrl rrm rrp rrr rrs rrt rsa rsb rsf rsi rsl rsm rso rsp rsr rss rst rta rtb rtf rti rtl rtm rto rtp rtr rts rtt saa sab saf sai sal sam sao sap sar sas sat sba sbb sbf sbi sbl sbm sbo sbp sbr sbs sbt sfa sfb sff sfi sfl sfm sfo sfp sfr sfs sft sia sib sif sii sil sim sio sip sir sis sit sla slb slf sli sll slm slo slp slr sls slt sma smb smf smi sml smm smo smp smr sms smt soa sob sof soi sol som soo sop sor sos sot spa spb spf spi spl spm spo spp spr sps spt sr- sra srb srf sri srl srm sro srp srr srs srt ss- ssa ssb ssf ssi ssl ssm sso ssp ssr sss sst sta stb stf sti stl stm sto stp str sts stt taa tab taf tai tal tam tao tap tar tas tat tba tbb tbf tbi tbl tbm tbo tbp tbr tbs tbt tfa tfb tff tfi tfl tfm tfo tfp tfr tfs tft tia tib tif tii til tim tio tip tir tis tit tla tlf tli tll tlm tlo tlp tlr tls tlt tma tmb tmf tmi tml tmm tmo tmp tmr tms tmt to- toa tob tof toi tol tom too top tor tos tot tpa tpb tpf tpi tpl tpm tpo tpp tpr tps tpt tra trb trf tri trl trm tro trp trr trs trt tsa tsb tsf tsi tsl tsm tso tsp tsr tss tst tta ttb ttf tti ttl ttm tto ttp ttr tts ttt