srm srn sro srr srs srt ss- ssa ssc ssd sse ssf ssh ssl ssm ssn sso ssr sss sst sta stc std ste stf sth stl stm stn sto str sts stt taa tac tad tae taf tah tal tam tan tao tar tas tat tca tcc tcd tce tcf tch tcl tcm tcn tco tcr tcs tct tda tdc tdd tde tdf tdh tdl tdm tdn tdo tdr tds tdt te- tea tec ted tee tef teh tel tem ten teo ter tes tet tfa tfc tfd tfe tff tfh tfl tfm tfn tfo tfr tfs tft th- tha thc thd the thf thh thl thm thn tho thr ths tht tla tlc tld tle tlf tlh tll tlm tln tlo tlr tls tlt tma tmc tmd tme tmf tmh tml tmm tmn tmo tmr tms tmt tna tnc tnd tne tnf tnh tnl tnm tnn tno tnr tns tnt to- toa toc tod toe tof toh tol tom ton too tor tos tot tra trc trd tre trf trh trl trm trn tro trr trs trt tsa tsc tsd tse tsf tsh tsl tsm tsn tso tsr tss tst tta ttc ttd tte ttf tth ttl ttm ttn tto ttr tts ttt