sps spt sr- sra src srg srh sri srl srm srn sro srp srr srs srt ss- ssa ssc ssg ssh ssi ssl ssm ssn sso ssp ssr sss sst sta stc stg sth sti stl stm stn sto stp str sts stt taa tac tag tah tai tal tam tan tao tap tar tas tat tca tcc tcg tch tci tcl tcm tcn tco tcp tcr tcs tct tga tgc tgg tgh tgi tgl tgm tgn tgo tgp tgr tgs tgt th- tha thc thg thh thi thl thm thn tho thp thr ths tht tia tic tig tih tii til tim tin tio tip tir tis tit tla tlc tlg tlh tli tll tlm tln tlo tlp tlr tls tlt tma tmc tmg tmh tmi tml tmm tmn tmo tmp tmr tms tmt tna tnc tng tnh tni tnl tnm tnn tno tnp tnr tns tnt to- toa toc tog toh toi tol tom ton too top tor tos tot tpa tpc tpg tph tpi tpl tpm tpn tpo tpp tpr tps tpt tra trc trg trh tri trl trm trn tro trp trr trs trt tsa tsc tsg tsh tsi tsl tsm tsn tso tsp tsr tss tst tta ttc ttg tth tti ttl ttm ttn tto ttp ttr tts ttt