stx sxc sxi sxn sxs sxt t-x tcc tcd tce tci tck tcn tco tcr tcs tct tcx tdc tdd tde tdi tdk tdn tdo tdr tds tdt tdx te- tec ted tee tei tek ten teo ter tes tet tex tic tid tie tii tik tin tio tir tis tit tix tkc tke tkk tko tkr tks tkt tnc tnd tne tni tnk tnn tno tnr tns tnt tnx to- toc tod toe toi tok ton too tor tos tot tox trc trd tre tri trk trn tro trr trs trt trx tsc tsd tse tsi tsk tsn tso tsr tss tst tsx ttc ttd tte tti ttk ttn tto ttr tts ttt ttx txe txi txk txn txs txt xcd xci xcr xcx xdc xde xdi xdk xdr xds xdt xed xee xen xer xes xet xex xic xie xii xin xio xis xit xix xke xks xnc xnk xno xns xoc xod xoi xok xon xoo xor xos xot xox xrc xrd xrt xrx xsc xsi xss xst xtc xti xtr xts xtx xxi xxo xxx