sr- sra srb src sre srg srh sri srl srn srp srr srs srt ss- ssa ssb ssc sse ssg ssh ssi ssl ssn ssp ssr sss sst sta stb stc ste stg sth sti stl stn stp str sts stt taa tab tac tae tag tah tai tal tan tap tar tas tat tba tbb tbc tbe tbg tbh tbi tbl tbn tbp tbr tbs tbt tca tcb tcc tce tcg tch tci tcl tcn tcp tcr tcs tct te- tea teb tec tee teg teh tei tel ten tep ter tes tet tga tgb tgc tge tgg tgh tgi tgl tgn tgp tgr tgs tgt th- tha thb thc the thg thh thi thl thn thp thr ths tht tia tib tic tie tig tih tii til tin tip tir tis tit tla tlc tle tlg tlh tli tll tln tlp tlr tls tlt tna tnb tnc tne tng tnh tni tnl tnn tnp tnr tns tnt tpa tpb tpc tpe tpg tph tpi tpl tpn tpp tpr tps tpt tra trb trc tre trg trh tri trl trn trp trr trs trt tsa tsb tsc tse tsg tsh tsi tsl tsn tsp tsr tss tst tta ttb ttc tte ttg tth tti ttl ttn ttp ttr tts ttt