sct se- sea sec see seg sei sej sek sen ser ses set sga sgc sge sgg sgi sgk sgn sgr sgs sgt sia sic sie sig sii sij sik sin sir sis sit sja sjc sje sji sjj sjk sjr sjs sjt sk- ska skc ske skg ski skj skk skr sks skt sna snc sne sng sni snj snk snn snr sns snt sr- sra src sre srg sri srj srk srn srr srs srt ss- ssa ssc sse ssg ssi ssj ssk ssn ssr sss sst sta stc ste stg sti stj stk stn str sts stt taa tac tae tag tai taj tak tan tar tas tat tca tcc tce tcg tci tcj tck tcn tcr tcs tct te- tea tec tee teg tei tej tek ten ter tes tet tga tgc tge tgg tgi tgk tgn tgr tgs tgt tia tic tie tig tii tik tin tir tis tit tjc tje tji tjr tjs tka tkc tke tkg tkk tkr tks tkt tna tnc tne tng tni tnk tnn tnr tns tnt tra trc tre trg tri trk trn trr trs trt tsa tsc tse tsg tsi tsj tsk tsn tsr tss tst tta ttc tte ttg tti ttk ttn ttr tts ttt