Or search: pa, dad, pop, dada, papa, daddy, pappa, pater
2 Syllables: SU
3 Syllables: USU
4 Syllables: UUSU
altogether, howsoever, whatsoever, wheresoever, whomsoever, whosoever
5 Syllables: UUUSU
Nebuchadnezzar, whithersoever

Found 162 words across 4 groupings. Skipped 76 excess words of a similar stem.