pts ptt ra- raa rab rae rai ral ran rao rap rar ras rat rba rbb rbe rbi rbl rbn rbo rbp rbr rbs rbt re- rea reb ree rei rel ren reo rep rer res ret ria rib rie rii ril rin rio rip rir ris rit rla rle rli rll rln rlo rlp rlr rls rlt rna rnb rni rnn rno rnp rnr rns rnt roa rob roe roi rol ron roo rop ror ros rot rpa rpb rpe rpi rpl rpn rpo rpp rpr rps rpt rra rrb rri rrl rrn rrp rrr rrs rrt rsa rsb rse rsi rsl rsn rso rsp rsr rss rst rta rtb rte rti rtl rtn rto rtp rtr rts rtt saa sab sae sai sal san sao sap sar sas sat sba sbb sbe sbi sbl sbn sbo sbp sbr sbs sbt se- sea seb see sei sel sen seo sep ser ses set sia sib sie sii sil sin sio sip sir sis sit sla slb sle sli sll sln slo slp slr sls slt sna snb sne sni snl snn sno snp snr sns snt soa sob soe soi sol son soo sop sor sos sot spa spb spe spi spl spn spo spp spr sps spt sr- sra srb sre sri srl srn sro srp srr srs srt ss- ssa ssb sse ssi ssl ssn sso ssp ssr sss sst sta stb ste sti stl stn sto stp str sts stt taa tab tae tai tal tan tao tap tar tas tat tba tbb tbe tbi tbl tbn tbo tbp tbr tbs tbt te- tea teb tee tei tel ten teo tep ter tes tet tia tib tie tii til tin tio tip tir tis tit tla tle tli tll tln tlo tlp tlr tls tlt tna tnb tne tni tnl tnn tno tnp tnr tns tnt to- toa tob toe toi tol ton too top tor tos tot tpa tpb tpe tpi tpl tpn tpo tpp tpr tps tpt tra trb tre tri trl trn tro trp trr trs trt tsa tsb tse tsi tsl tsn tso tsp tsr tss tst tta ttb tte tti ttl ttn tto ttp ttr tts ttt