Syllabication/Exercise

Classify these words according to the number of their syllables:
universities-factories-classroom-dictionary-establishment-computer-people-pebble-high-lion-oasis-void-matches-looks-eyes-mended-sender-nationalmity-postman-offices-roads-championship-violet-echo-mouthful-teaspoon-doctor-attractive-helpless-needy-neibourhood-happiness-teaching-newness-better-sunny-talkative-comfortabl-easy-uniform-sichness-dangerous-cleverer-ugly-hopefully-decision-direction-legislature-conservative.