rosi roso ross rrrr rscc rscn rscs rsgc rsis rsnn rsno rsnr rsos s-ic s-ii s-os sccc sccs scgs sci- scic scin scio scir scis sck- scnr scog scok scon scoo scor scr- scrc scri scrn scrs scsc scsi scsn scso scsr sgcg sggg sggs sgic sgio sgro sgss sicc sici sick sico sics sigg sigi sign sigo sigs siik siki siko sikr siks sing sini sink sinn sino sins sion sior sios sirc siri sirk siro sirr sirs sisc sisi sisk siss skic skig skik skin skio skir skis skn- skog skon skor skss sncc snco snig snir snns snoc snog snoo snor snos snrk snrs soci sock soco socr socs sogi sogn sogo sogs soic soik soin soir sois soki sokk sokn soko son- song soni sonk sono sons soog sook soon soor soos sorg sori sorn soro sorr sors sosi soso soss srcc sris srni srnn srno sros sscc ssci sscs ssgs ssin ssis ssns ssoc ssrc ssrg ssri ssrs sssc sssi ssss