sor sos sot sox spa spe spi spl spn spo spp spr sps spt spx sr- sra sre sri srl srn sro srp srr srs srt srx ss- ssa sse ssi ssl ssn sso ssp ssr sss sst ssx sta ste sti stl stn sto stp str sts stt stx sxi sxl sxn sxs sxt t-x taa tae tai tal tan tao tap tar tas tat tax te- tea tee tei tel ten teo tep ter tes tet tex tia tie tii til tin tio tip tir tis tit tix tla tle tli tll tln tlo tlp tlr tls tlt tlx tna tne tni tnl tnn tno tnp tnr tns tnt tnx to- toa toe toi tol ton too top tor tos tot tox tpa tpe tpi tpl tpn tpo tpp tpr tps tpt tpx tra tre tri trl trn tro trp trr trs trt trx tsa tse tsi tsl tsn tso tsp tsr tss tst tsx tta tte tti ttl ttn tto ttp ttr tts ttt ttx txe txi txl txn txs txt xaa xal xan xap xar xas xat xee xel xen xep xer xes xet xex xia xie xii xin xio xis xit xix xla xli xlr xls xlt xna xno xns xoa xoi xon xoo xop xor xos xot xox xpa xpe xpl xpn xpo xpp xps xpt xrt xrx xsa xsi xsl xsp xss xst xti xtp xtr xts xtx xxi xxl xxo xxp xxx