s-ii s-os sccc sccm sccs scdc scds sch- schh schi scho schs sci- scic scid scim scio scis sck- scmc scmm scmo scms scoh scok scom scoo scsc scsd scsh scsi scso sdcc sdch sdco sddc sdds sdhd sdhs sdic sdio sdmo sdms sdsc sdsm sdss shcc shhh shhs shid shih shii shik shim shio shis shm- shmd shmo shod shok shom shoo shos shsc sicc sich sici sick sicm sico sics sidd sidh sidi sido sids sihi sihk sihs siik siim sikh siki siko siks simd simh simi simm simo sims siod sios sisc sisd sish sisi sisk siss skhs skic skid skik skim skio skis sksd skss smcc smch smdc smhs smic smid smis smkd smki smoc smod smok smos smsc smsd smsh smss soch soci sock socm soco socs sodd sodo sods sohh sohm soho sohs soic soik soim sois soki sokk soko somi somm somo sood sook soom soos sosh sosi soso soss sscc ssci sscs ssdc ssdd ssdm sshs ssid ssis ssmc ssoc sssc sssh sssi sssm ssss