sek sel sen ser ses sew sfc sfd sfe sff sfh sfk sfl sfn sfr sfs sfw sh- shc shd she shf shh shk shl shn shr shs sk- skc skd ske skf skh skk skl skr sks skw slc sld sle slf slh slk sll sln slr sls snc snd sne snf snk snl snn snr sns snw sr- src srd sre srf srh srk srl srn srr srs srw ss- ssc ssd sse ssf ssh ssk ssl ssn ssr sss ssw swc swd swe swf swh swk swl swn swr sws wcc wcd wce wcf wch wck wcl wcn wcr wcs wcw wdc wdf wdl wdr wds wec wed wee wef weh wek wel wen wer wes wew wfc wfd wfe wff wfh wfk wfl wfn wfr wfs wfw wh- whc whd whf whh whk whl whr whs whw wkc wkd wke wkf wkr wks wkw wl- wlc wle wlf wll wln wlr wls wlw wn- wnc wnd wne wnf wnl wnn wns wnw wr- wrc wrd wre wrf wrh wrk wrl wrn wrr wrs wrw wsc wsd wse wsf wsh wsk wsl wsn wsr wss wsw wwc wwd wwe wwf wwl wwn www