snt soa sob soc sod soe sog soi sol son soo sor sos sot sr- sra srb src srd sre srg sri srl srn sro srr srs srt ss- ssa ssb ssc ssd sse ssg ssi ssl ssn sso ssr sss sst sta stb stc std ste stg sti stl stn sto str sts stt taa tab tac tad tae tag tai tal tan tao tar tas tat tba tbb tbc tbd tbe tbg tbi tbl tbn tbo tbr tbs tbt tca tcb tcc tcd tce tcg tci tcl tcn tco tcr tcs tct tda tdb tdc tdd tde tdg tdi tdl tdn tdo tdr tds tdt te- tea teb tec ted tee teg tei tel ten teo ter tes tet tga tgb tgc tge tgg tgi tgl tgn tgo tgr tgs tgt tia tib tic tid tie tig tii til tin tio tir tis tit tla tlc tld tle tlg tli tll tln tlo tlr tls tlt tna tnb tnc tnd tne tng tni tnl tnn tno tnr tns tnt to- toa tob toc tod toe tog toi tol ton too tor tos tot tra trb trc trd tre trg tri trl trn tro trr trs trt tsa tsb tsc tsd tse tsg tsi tsl tsn tso tsr tss tst tta ttb ttc ttd tte ttg tti ttl ttn tto ttr tts ttt