rscs rsgb rsgc rsis rsnn rsno rsnr rsos rspb rspk rspo rsps s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbig sbor sbrk sbsi sbsp scbi sccc sccp sccs scgp scgs sci- scic scin scio scip scir scis sck- scnr scob scog scok scon scoo scop scor scpb scpi scpo scps scr- scrc scri scrn scrs scsc scsi scsn scso scsr sgcb sgcg sggg sggs sgic sgio sgps sgro sgss sibc sibi sibo sibs sicc sici sick sico sicp sics sigg sigi sign sigo sigs siik siki siko sikr siks sing sini sink sinn sino sinp sins sion siop sior sios sipc sipi sipo sipp sips sirc siri sirk siro sirp sirr sirs sisc sisi sisk siss skic skig skik skin skio skip skir skis skn- skog skon skop skor skpc skpo skss sncc snco sncp snib snig snip snir snns snob snoc snog snoo snop snor snos snpg snpo snpp snrk snrs sobo sobp sobr sobs 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 soop soor soos sopi sopo sopp sops sorb sorg sori sorn soro sorr sors sosi soso soss spcc spco spcs spgb spib spic spig spik spin spio spip spir spis spkr spns spoc spok spon spoo spop spor spos spps spri spro sprs spso spsp spss srbc srcc srgb srib sris srni srnn srno sros srpc srps srsp ssbn ssbr sscc ssci sscp sscs ssgs ssin ssis ssns ssoc ssop sspc sspo ssps ssrc ssrg ssri ssrs sssb sssc sssi ssss