sot spa spc spd spe spg sph spi spl spo spp spr sps spt sr- sra src srd sre srg srh sri srl sro srp srr srs srt ss- ssa ssc ssd sse ssg ssh ssi ssl sso ssp ssr sss sst sta stc std ste stg sth sti stl sto stp str sts stt taa tac tad tae tag tah tai tal tao tap tar tas tat tca tcc tcd tce tcg tch tci tcl tco tcp tcr tcs tct tda tdc tdd tde tdg tdh tdi tdl tdo tdp tdr tds tdt te- tea tec ted tee teg teh tei tel teo tep ter tes tet tga tgc tge tgg tgh tgi tgl tgo tgp tgr tgs tgt th- tha thc thd the thg thh thi thl tho thp thr ths tht tia tic tid tie tig tih tii til tio tip tir tis tit tla tlc tld tle tlg tlh tli tll tlo tlp tlr tls tlt to- toa toc tod toe tog toh toi tol too top tor tos tot tpa tpc tpd tpe tpg tph tpi tpl tpo tpp tpr tps tpt tra trc trd tre trg trh tri trl tro trp trr trs trt tsa tsc tsd tse tsg tsh tsi tsl tso tsp tsr tss tst tta ttc ttd tte ttg tth tti ttl tto ttp ttr tts ttt