spm spn spo spp spr sps spt sr- sra src srd sre srh srl srm srn sro srp srr srs srt ss- ssa ssc ssd sse ssh ssl ssm ssn sso ssp ssr sss sst sta stc std ste sth stl stm stn sto stp str sts stt taa tac tad tae tah tal tam tan tao tap tar tas tat tca tcc tcd tce tch tcl tcm tcn tco tcp tcr tcs tct tda tdc tdd tde tdh tdl tdm tdn tdo tdp tdr tds tdt te- tea tec ted tee teh tel tem ten teo tep ter tes tet th- tha thc thd the thh thl thm thn tho thp thr ths tht tla tlc tld tle tlh tll tlm tln tlo tlp tlr tls tlt tma tmc tmd tme tmh tml tmm tmn tmo tmp tmr tms tmt tna tnc tnd tne tnh tnl tnm tnn tno tnp tnr tns tnt to- toa toc tod toe toh tol tom ton too top tor tos tot tpa tpc tpd tpe tph tpl tpm tpn tpo tpp tpr tps tpt tra trc trd tre trh trl trm trn tro trp trr trs trt tsa tsc tsd tse tsh tsl tsm tsn tso tsp tsr tss tst tta ttc ttd tte tth ttl ttm ttn tto ttp ttr tts ttt