snn sno snr sns snt soa soc sod soe sog soi sol som son soo sor sos sot sr- sra src srd sre srg sri srl srm srn sro srr srs srt ss- ssa ssc ssd sse ssg ssi ssl ssm ssn sso ssr sss sst sta stc std ste stg sti stl stm stn sto str sts stt taa tac tad tae tag tai tal tam tan tao tar tas tat tca tcc tcd tce tcg tci tcl tcm tcn tco tcr tcs tct tda tdc tdd tde tdg tdi tdl tdm tdn tdo tdr tds tdt te- tea tec ted tee teg tei tel tem ten teo ter tes tet tga tgc tge tgg tgi tgl tgm tgn tgo tgr tgs tgt tia tic tid tie tig tii til tim tin tio tir tis tit tla tlc tld tle tlg tli tll tlm tln tlo tlr tls tlt tma tmc tmd tme tmg tmi tml tmm tmn tmo tmr tms tmt tna tnc tnd tne tng tni tnl tnm tnn tno tnr tns tnt to- toa toc tod toe tog toi tol tom ton too tor tos tot tra trc trd tre trg tri trl trm trn tro trr trs trt tsa tsc tsd tse tsg tsi tsl tsm tsn tso tsr tss tst tta ttc ttd tte ttg tti ttl ttm ttn tto ttr tts ttt