snr sns snt soa soc soe sof soi sol som son soo sop sor sos sot spa spc spe spf spi spl spm spn spo spp spr sps spt sr- sra src sre srf sri srl srm srn sro srp srr srs srt ss- ssa ssc sse ssf ssi ssl ssm ssn sso ssp ssr sss sst sta stc ste stf sti stl stm stn sto stp str sts stt taa tac tae taf tai tal tam tan tao tap tar tas tat tca tcc tce tcf tci tcl tcm tcn tco tcp tcr tcs tct te- tea tec tee tef tei tel tem ten teo tep ter tes tet tfa tfc tfe tff tfi tfl tfm tfn tfo tfp tfr tfs tft tia tic tie tif tii til tim tin tio tip tir tis tit tla tlc tle tlf tli tll tlm tln tlo tlp tlr tls tlt tma tmc tme tmf tmi tml tmm tmn tmo tmp tmr tms tmt tna tnc tne tnf tni tnl tnm tnn tno tnp tnr tns tnt to- toa toc toe tof toi tol tom ton too top tor tos tot tpa tpc tpe tpf tpi tpl tpm tpn tpo tpp tpr tps tpt tra trc tre trf tri trl trm trn tro trp trr trs trt tsa tsc tse tsf tsi tsl tsm tsn tso tsp tsr tss tst tta ttc tte ttf tti ttl ttm ttn tto ttp ttr tts ttt