I don't know if this will help, or just confuse the issue. I got it off this web site (lots of interesting poop here):

Clicky

Ukelele: A D F# B (4th string, "A", in higher octave, re-entrant tuning)
Tiple: (Pronounced TEE-play) C E A D (South American version. 4th string, "C", is octaved)
Tiple: (Pronounced TIPPLE) A D F# B (North American version. 2nd, 3rd and 4th, "A", "D", and "F#", are octaved)
Braguinha (Madeira Island): D G B D (also known as machete de braga)
Raj㯼 (Madeira Island): D G C E A (Re-entrant tuning: G is octave higher. True forerunner of the ukulele (G C E A, or on US mainland and England, A D F# B)
Cavaquinho (Portugal): G G B D (Gs are in unison, same octave) This is the Portugese mainland version of the braguinha.

Don Firth