spn spo spp spr sps spt sr- sra src sre srg srh sri srl srn sro srp srr srs srt ss- ssa ssc sse ssg ssh ssi ssl ssn sso ssp ssr sss sst sta stc ste stg sth sti stl stn sto stp str sts stt taa tac tae tag tah tai tal tan tao tap tar tas tat tca tcc tce tcg tch tci tcl tcn tco tcp tcr tcs tct te- tea tec tee teg teh tei tel ten teo tep ter tes tet tga tgc tge tgg tgh tgi tgl tgn tgo tgp tgr tgs tgt th- tha thc the thg thh thi thl thn tho thp thr ths tht tia tic tie tig tih tii til tin tio tip tir tis tit tla tlc tle tlg tlh tli tll tln tlo tlp tlr tls tlt tna tnc tne tng tnh tni tnl tnn tno tnp tnr tns tnt to- toa toc toe tog toh toi tol ton too top tor tos tot tpa tpc tpe tpg tph tpi tpl tpn tpo tpp tpr tps tpt tra trc tre trg trh tri trl trn tro trp trr trs trt tsa tsc tse tsg tsh tsi tsl tsn tso tsp tsr tss tst tta ttc tte ttg tth tti ttl ttn tto ttp ttr tts ttt