Three letter S-Blends Mega Bundle This complete Three Letter S-Blend program combines explicit phonics instruction with structured grammar support using a consistent, color-coded system. This mega bundle includes noun, verb, adjective, and adverb word cards featuring common initial s-blends: spl, spr, squ, and strPerfect for teachers looking for Three Letter S- blend activities, a structured phonics word wall, or a clearly organized parts of speech grammar wall display. What This Resource