spt sr- sra srd sre srf srh sri srm srn sro srp srr srs srt ss- ssa ssd sse ssf ssh ssi ssm ssn sso ssp ssr sss sst sta std ste stf sth sti stm stn sto stp str sts stt taa tad tae taf tah tai tam tan tao tap tar tas tat tda tdd tde tdf tdh tdi tdm tdn tdo tdp tdr tds tdt te- tea ted tee tef teh tei tem ten teo tep ter tes tet tfa tfd tfe tff tfh tfi tfm tfn tfo tfp tfr tfs tft th- tha thd the thf thh thi thm thn tho thp thr ths tht tia tid tie tif tih tii tim tin tio tip tir tis tit tma tmd tme tmf tmh tmi tmm tmn tmo tmp tmr tms tmt tna tnd tne tnf tnh tni tnm tnn tno tnp tnr tns tnt to- toa tod toe tof toh toi tom ton too top tor tos tot tpa tpd tpe tpf tph tpi tpm tpn tpo tpp tpr tps tpt tra trd tre trf trh tri trm trn tro trp trr trs trt tsa tsd tse tsf tsh tsi tsm tsn tso tsp tsr tss tst tta ttd tte ttf tth tti ttm ttn tto ttp ttr tts ttt