Please note that the consonant cluster must be found in one syllable. The consonant clusters in these worksheets include bl, br, kl, kr, dr, dy, dr, pl, pr, tr, and ts. As teachers and parents, please select those worksheets appropriate for your students or children. The worksheets are for different grade levels. Please do not copy and/or distribute them for profit. You may print and photocopy these worksheets for your children or students. The seven pdf worksheets below are about Filipino words with a consonant clusters ( mga kambal-katinig) and Filipino words with diphthongs ( mga diptonggo). This post is dedicated to Helen who requested for worksheets on kambal-katinig (consonant cluster) and diptonggo (diphthong).