sfw sia sib sid sif sii sin sio sir sis sit siw sna snb snd snf sni snn sno snr sns snt snw soa sob sod sof soi son soo sor sos sot sow sr- sra srb srd srf sri srn sro srr srs srt srw ss- ssa ssb ssd ssf ssi ssn sso ssr sss sst ssw sta stb std stf sti stn sto str sts stt stw swa swb swd swf swi swn swo swr sws swt taa tab tad taf tai tan tao tar tas tat taw tba tbb tbd tbf tbi tbn tbo tbr tbs tbt tda tdb tdd tdf tdi tdn tdo tdr tds tdt tdw tfa tfb tfd tff tfi tfn tfo tfr tfs tft tfw tia tib tid tif tii tin tio tir tis tit tiw tna tnb tnd tnf tni tnn tno tnr tns tnt tnw to- toa tob tod tof toi ton too tor tos tot tow tra trb trd trf tri trn tro trr trs trt trw tsa tsb tsd tsf tsi tsn tso tsr tss tst tsw tta ttb ttd ttf tti ttn tto ttr tts ttt ttw twa twb twd twf twi twn two twr tws twt tww waa wab wad waf wai wan wao war was wat waw wba wbb wbd wbf wbi wbn wbo wbr wbs wbt wbw wda wdb wdf wdi wdr wds wdt wfa wfb wfd wff wfi wfn wfo wfr wfs wft wfw wia wib wid wif wii win wir wis wit wn- wna wnd wnf wnn wno wns wnt wnw woa wob wod wof woi won woo wor wos wot wow wr- wra wrd wrf wri wrn wro wrr wrs wrt wrw wsa wsb wsd wsf wsi wsn wso wsr wss wst wsw wta wtb wtd wtf wti wtn wto wtr wts wtt wtw wwa wwd wwf wwi wwn wwo wwt www