spx sr- sra src sre srk srm sro srp srr srs srt srx ss- ssa ssc sse ssk ssm sso ssp ssr sss sst ssx sta stc ste stk stm sto stp str sts stt stx sxc sxm sxs sxt t-x taa tac tae tak tam tao tap tar tas tat tax tca tcc tce tck tcm tco tcp tcr tcs tct tcx te- tea tec tee tek tem teo tep ter tes tet tex tka tkc tke tkk tkm tko tkp tkr tks tkt tma tmc tme tmk tmm tmo tmp tmr tms tmt tmx to- toa toc toe tok tom too top tor tos tot tox tpa tpc tpe tpk tpm tpo tpp tpr tps tpt tpx tra trc tre trk trm tro trp trr trs trt trx tsa tsc tse tsk tsm tso tsp tsr tss tst tsx tta ttc tte ttk ttm tto ttp ttr tts ttt ttx txe txk txs txt xaa xac xak xam xap xar xas xat xcp xcr xcx xee xem xep xer xes xet xex xke xks xma xmc xmk xmm xmo xmp xmr xms xmt xmx xoa xoc xok xom xoo xop xor xos xot xox xpa xpc xpe xpm xpo xpp xps xpt xrc xrt xrx xsa xsc xsm xsp xss xst xtc xtm xtp xtr xts xtx xxo xxp xxx