sot sox spa spd spg spi spl spn spo spp sps spt spx ss- ssa ssd ssg ssi ssl ssn sso ssp sss sst ssx sta std stg sti stl stn sto stp sts stt stx sxi sxl sxn sxs sxt t-x taa tad tag tai tal tan tao tap tas tat tax tda tdd tdg tdi tdl tdn tdo tdp tds tdt tdx tga tgg tgi tgl tgn tgo tgp tgs tgt tia tid tig tii til tin tio tip tis tit tix tla tld tlg tli tll tln tlo tlp tls tlt tlx tna tnd tng tni tnl tnn tno tnp tns tnt tnx to- toa tod tog toi tol ton too top tos tot tox tpa tpd tpg tpi tpl tpn tpo tpp tps tpt tpx tsa tsd tsg tsi tsl tsn tso tsp tss tst tsx tta ttd ttg tti ttl ttn tto ttp tts ttt ttx txi txl txn txs txt xaa xad xag xal xan xap xas xat xda xdi xds xdt xgi xgl xgp xia xii xin xio xis xit xix xla xld xlg xli xls xlt xna xno xns xoa xod xog xoi xon xoo xop xos xot xox xpa xpd xpg xpl xpn xpo xpp xps xpt xsa xsi xsl xsp xss xst xti xtp xts xtx xxi xxl xxo xxp xxx