seie seii seim seir seis sema seme semi sems sera serd sere seri serm serr sers sesa sese sesi sess siaa siae siai siam sias sida sidd side sidi sidr sids sied sier sies siim sima simd sime simi simm sims sira sire siri sirr sirs sisa sisd sise sisi siss smaa smad smai smas smdr smea smed smee smei smia smid smie smis smsd smss sram sras srde srem sres srim sris srsd ssaa ssam ssas ssdd ssdm ssee ssem sses ssid ssis ssra ssri ssrm ssrs sssa sssi sssm ssss