Or search: abidance, habitation, inhabitation
3 Syllables: SUU
70, clemency, enemies, enemy, enemy's, heavenly, peasantry, pedantry, pleasantly, pleasantry, presently, secondly, seventy, tendencies, tendency
4 Syllables: USUU
apparently, ascendancy, ascendency, clandestinely, dependencies, dependency, discrepancy, hegemony, incessantly, inclemency, inherently, transparency, unpleasantly
5 Syllables: UUSUU
independency, independently

Found 30 words across 3 groupings.