pts ptt ra- raa rab rae raf rai ram rao rap rar ras rat rba rbb rbe rbf rbi rbm rbo rbp rbr rbs rbt re- rea reb ree ref rei rem reo rep rer res ret rfa rfb rfe rff rfi rfm rfo rfp rfr rfs rft ria rib rie rif rii rim rio rip rir ris rit rma rmb rme rmf rmi rmm rmo rmp rmr rms rmt roa rob roe rof roi rom roo rop ror ros rot rpa rpb rpe rpf rpi rpm rpo rpp rpr rps rpt rra rrb rrf rri rrm rrp rrr rrs rrt rsa rsb rse rsf rsi rsm rso rsp rsr rss rst rta rtb rte rtf rti rtm rto rtp rtr rts rtt saa sab sae saf sai sam sao sap sar sas sat sba sbb sbe sbf sbi sbm sbo sbp sbr sbs sbt se- sea seb see sef sei sem seo sep ser ses set sfa sfb sfe sff sfi sfm sfo sfp sfr sfs sft sia sib sie sif sii sim sio sip sir sis sit sma smb sme smf smi smm smo smp smr sms smt soa sob soe sof soi som soo sop sor sos sot spa spb spe spf spi spm spo spp spr sps spt sr- sra srb sre srf sri srm sro srp srr srs srt ss- ssa ssb sse ssf ssi ssm sso ssp ssr sss sst sta stb ste stf sti stm sto stp str sts stt taa tab tae taf tai tam tao tap tar tas tat tba tbb tbe tbf tbi tbm tbo tbp tbr tbs tbt te- tea teb tee tef tei tem teo tep ter tes tet tfa tfb tfe tff tfi tfm tfo tfp tfr tfs tft tia tib tie tif tii tim tio tip tir tis tit tma tmb tme tmf tmi tmm tmo tmp tmr tms tmt to- toa tob toe tof toi tom too top tor tos tot tpa tpb tpe tpf tpi tpm tpo tpp tpr tps tpt tra trb tre trf tri trm tro trp trr trs trt tsa tsb tse tsf tsi tsm tso tsp tsr tss tst tta ttb tte ttf tti ttm tto ttp ttr tts ttt