smd sme smi sml smm smn smo sms smt smx sna snd sne sni snl snm snn sno sns snt soa sod soe soi sol som son soo sos sot sox ss- ssa ssd sse ssi ssl ssm ssn sso sss sst ssx sta std ste sti stl stm stn sto sts stt stx sxi sxl sxm sxn sxs sxt t-x taa tad tae tai tal tam tan tao tas tat tax tda tdd tde tdi tdl tdm tdn tdo tds tdt tdx te- tea ted tee tei tel tem ten teo tes tet tex tia tid tie tii til tim tin tio tis tit tix tla tld tle tli tll tlm tln tlo tls tlt tlx tma tmd tme tmi tml tmm tmn tmo tms tmt tmx tna tnd tne tni tnl tnm tnn tno tns tnt tnx to- toa tod toe toi tol tom ton too tos tot tox tsa tsd tse tsi tsl tsm tsn tso tss tst tsx tta ttd tte tti ttl ttm ttn tto tts ttt ttx txe txi txl txn txs txt xaa xad xal xam xan xas xat xda xde xdi xdm xds xdt xed xee xel xem xen xes xet xex xia xie xii xin xio xis xit xix xla xld xli xlm xls xlt xma xmd xmi xml xmm xmo xms xmt xmx xna xno xns xoa xod xoi xom xon xoo xos xot xox xsa xsi xsl xsm xss xst xti xtm xts xtx xxi xxl xxo xxx