http://www.sadlier-oxford.com/phonics/grade2_3/pg_106/blends.htm
http://www.crickweb.co.uk/ks1literacy.html
http://www.firstschoolyears.com/literacy/word/phonics/clusters/interactive/squares/clusters.htm
http://www.firstschoolyears.com/literacy/word/phonics/clusters/interactive/final/final.htm
http://www.firstschoolyears.com/literacy/word/phonics/clusters/interactive/initial/initial.htm
http://www.firstschoolyears.com/literacy/word/phonics/clusters/interactive/complete/clusters.htm
http://www.eduplace.com/kids/hmr06/ewordgame/index.html?grade=3&theme=1&selection=1