sre srg srh sri srl srn sro srr srs srt ss- ssa ssb ssc sse ssg ssh ssi ssl ssn sso ssr sss sst sta stb stc ste stg sth sti stl stn sto str sts stt taa tab tac tae tag tah tai tal tan tao tar tas tat tba tbb tbc tbe tbg tbh tbi tbl tbn tbo tbr tbs tbt tca tcb tcc tce tcg tch tci tcl tcn tco tcr tcs tct te- tea teb tec tee teg teh tei tel ten teo ter tes tet tga tgb tgc tge tgg tgh tgi tgl tgn tgo tgr tgs tgt th- tha thb thc the thg thh thi thl thn tho thr ths tht tia tib tic tie tig tih tii til tin tio tir tis tit tla tlc tle tlg tlh tli tll tln tlo tlr tls tlt tna tnb tnc tne tng tnh tni tnl tnn tno tnr tns tnt to- toa tob toc toe tog toh toi tol ton too tor tos tot tra trb trc tre trg trh tri trl trn tro trr trs trt tsa tsb tsc tse tsg tsh tsi tsl tsn tso tsr tss tst tta ttb ttc tte ttg tth tti ttl ttn tto ttr tts ttt