2 Syllables: SU
Allah, ana, aqua, Asa, Baba, Brahma, Casa, causa, comma, cotta, dogma, Donna, drama, fauna, Java, Lama, lava, mala, Mama, mamma, nostra, opera, Papa, Pasha, Paula, Plata, Plaza, Raja, Rajah, saga, Sala, trauma
3 Syllables: USU
Armada, Ferrara, Granada, Guiana, Madonna, Nevada, Nirvana, Sumatra, tiara
4 Syllables: UUSU
Guatemala, Nicaragua
5 Syllables: UUUSU
Americana, Czechoslovakia

Found 45 words across 4 groupings.