rrd rrg rri rrk rrl rrr rrs rsa rsd rse rsg rsi rsk rsl rso rsr rss rsw rwa rwd rwe rwi rwl rwr rws saa sad sae sag sai sak sal sao sar sas saw sda sdd sde sdg sdi sdk sdl sdo sdr sds sdw se- sea sed see seg sei sek sel seo ser ses sew sga sgd sge sgg sgi sgk sgl sgo sgr sgs sia sid sie sig sii sik sil sio sir sis siw sk- ska skd ske skg ski skk skl sko skr sks skw sla sld sle slg sli slk sll slo slr sls soa sod soe sog soi sok sol soo sor sos sow sr- sra srd sre srg sri srk srl sro srr srs srw ss- ssa ssd sse ssg ssi ssk ssl sso ssr sss ssw swa swd swe swg swi swk swl swo swr sws waa wad wae wag wai wak wal wao war was waw wda wdg wdi wdl wdr wds wea wed wee weg wei wek wel weo wer wes wew wga wgi wgl wgo wgr wgs wgw wia wid wie wig wii wik wil wir wis wka wkd wke wkg wko wkr wks wkw wl- wla wle wlg wli wll wlo wlr wls wlw woa wod woe wog woi wok wol woo wor wos wow wr- wra wrd wre wrg wri wrk wrl wro wrr wrs wrw wsa wsd wse wsg wsi wsk wsl wso wsr wss wsw wwa wwd wwe wwi wwl wwo www