sox spa spc sph spi spl spo spp spr sps spt spx sr- sra src srh sri srl sro srp srr srs srt srx ss- ssa ssc ssh ssi ssl sso ssp ssr sss sst ssx sta stc sth sti stl sto stp str sts stt stx sxc sxi sxl sxs sxt t-x taa tac tah tai tal tao tap tar tas tat tax tca tcc tch tci tcl tco tcp tcr tcs tct tcx th- tha thc thh thi thl tho thp thr ths tht thx tia tic tih tii til tio tip tir tis tit tix tla tlc tlh tli tll tlo tlp tlr tls tlt tlx to- toa toc toh toi tol too top tor tos tot tox tpa tpc tph tpi tpl tpo tpp tpr tps tpt tpx tra trc trh tri trl tro trp trr trs trt trx tsa tsc tsh tsi tsl tso tsp tsr tss tst tsx tta ttc tth tti ttl tto ttp ttr tts ttt ttx txi txl txs txt xaa xac xal xap xar xas xat xch xci xcl xcp xcr xcx xhp xht xia xic xii xio xis xit xix xla xli xlr xls xlt xoa xoc xoi xoo xop xor xos xot xox xpa xpc xpl xpo xpp xps xpt xrc xrt xrx xsa xsc xsi xsl xsp xss xst xtc xti xtp xtr xts xtx xxi xxl xxo xxp xxx