soe sog soi son soo sor sos sot sox sr- sra src sre srg sri srn sro srr srs srt srx ss- ssa ssc sse ssg ssi ssn sso ssr sss sst ssx sta stc ste stg sti stn sto str sts stt stx sxc sxi sxn sxs sxt t-x taa tac tae tag tai tan tao tar tas tat tax tca tcc tce tcg tci tcn tco tcr tcs tct tcx te- tea tec tee teg tei ten teo ter tes tet tex tga tgc tge tgg tgi tgn tgo tgr tgs tgt tia tic tie tig tii tin tio tir tis tit tix tna tnc tne tng tni tnn tno tnr tns tnt tnx to- toa toc toe tog toi ton too tor tos tot tox tra trc tre trg tri trn tro trr trs trt trx tsa tsc tse tsg tsi tsn tso tsr tss tst tsx tta ttc tte ttg tti ttn tto ttr tts ttt ttx txe txi txn txs txt xaa xac xag xan xar xas xat xci xcr xcx xee xeg xen xer xes xet xex xge xgi xia xic xie xii xin xio xis xit xix xna xnc xno xns xoa xoc xog xoi xon xoo xor xos xot xox xrc xrt xrx xsa xsc xsi xss xst xtc xti xtr xts xtx xxi xxo xxx