sii sim sin sio siq sir sis sit sma smd sme smi smm smn smo smr sms smt sna snd sne sni snm snn sno snr sns snt soa sod soe soi som son soo soq sor sos sot sqa sqd sqi sqm sqn sqq sqr sqs sr- sra srd sre sri srm srn sro srq srr srs srt ss- ssa ssd sse ssi ssm ssn sso ssq ssr sss sst sta std ste sti stm stn sto stq str sts stt taa tad tae tai tam tan tao taq tar tas tat tda tdd tde tdi tdm tdn tdo tdr tds tdt te- tea ted tee tei tem ten teo teq ter tes tet tia tid tie tii tim tin tio tir tis tit tma tmd tme tmi tmm tmn tmo tmq tmr tms tmt tna tnd tne tni tnm tnn tno tnq tnr tns tnt to- toa tod toe toi tom ton too toq tor tos tot tqm tqo tra trd tre tri trm trn tro trq trr trs trt tsa tsd tse tsi tsm tsn tso tsq tsr tss tst tta ttd tte tti ttm ttn tto ttr tts ttt