sor sos sot sow sr- sra src srf sri srk srl sro srr srs srt srw ss- ssa ssc ssf ssi ssk ssl sso ssr sss sst ssw sta stc stf sti stk stl sto str sts stt stw swa swc swf swi swk swl swo swr sws swt taa tac taf tai tak tal tao tar tas tat taw tca tcc tcf tci tck tcl tco tcr tcs tct tcw tfa tfc tff tfi tfk tfl tfo tfr tfs tft tfw tia tic tif tii tik til tio tir tis tit tiw tka tkc tkk tkl tko tkr tks tkt tkw tla tlc tlf tli tlk tll tlo tlr tls tlt tlw to- toa toc tof toi tok tol too tor tos tot tow tra trc trf tri trk trl tro trr trs trt trw tsa tsc tsf tsi tsk tsl tso tsr tss tst tsw tta ttc ttf tti ttk ttl tto ttr tts ttt ttw twa twc twf twi twl two twr tws twt tww waa wac waf wai wak wal wao war was wat waw wca wcc wcf wci wck wcl wco wcr wcs wct wcw wfa wfc wff wfi wfk wfl wfo wfr wfs wft wfw wia wic wif wii wik wil wir wis wit wka wkc wkf wko wkr wks wkt wkw wl- wla wlc wlf wli wll wlo wlr wls wlt wlw woa woc wof woi wok wol woo wor wos wot wow wr- wra wrc wrf wri wrk wrl wro wrr wrs wrt wrw wsa wsc wsf wsi wsk wsl wso wsr wss wst wsw wta wtc wtf wti wto wtr wts wtt wtw wwa wwc wwf wwi wwl wwo wwt www