smm smn smo smr sms smt smx sna snc sne sni snm snn sno snr sns snt soa soc soe soi som son soo sor sos sot sox sr- sra src sre sri srm srn sro srr srs srt srx ss- ssa ssc sse ssi ssm ssn sso ssr sss sst ssx sta stc ste sti stm stn sto str sts stt stx sxc sxi sxm sxn sxs sxt t-x taa tac tae tai tam tan tao tar tas tat tax tca tcc tce tci tcm tcn tco tcr tcs tct tcx te- tea tec tee tei tem ten teo ter tes tet tex tia tic tie tii tim tin tio tir tis tit tix tma tmc tme tmi tmm tmn tmo tmr tms tmt tmx tna tnc tne tni tnm tnn tno tnr tns tnt tnx to- toa toc toe toi tom ton too tor tos tot tox tra trc tre tri trm trn tro trr trs trt trx tsa tsc tse tsi tsm tsn tso tsr tss tst tsx tta ttc tte tti ttm ttn tto ttr tts ttt ttx txe txi txn txs txt xaa xac xam xan xar xas xat xci xcr xcx xee xem xen xer xes xet xex xia xic xie xii xin xio xis xit xix xma xmc xmi xmm xmo xmr xms xmt xmx xna xnc xno xns xoa xoc xoi xom xon xoo xor xos xot xox xrc xrt xrx xsa xsc xsi xsm xss xst xtc xti xtm xtr xts xtx xxi xxo xxx