Áá Éé Íí Óó Úú = The 'sound out letter' long vowel; standard lettering does not mean it absolutely isn't the long vowel if it seems to naturally follow
Ââ = 'ah' as in 'father'
Êê = 'u' and particularly 'ur' as in 'after'
Îî = 'ee' as in 'police'
Ôô = 'uh' as in 'son'
Ûû = 'oo' as in 'flute'
Ȩȩ = normal 'eh' sound - used only at the end to omit 'silent' assumption
ý  = pronounce between 'yee' and 'ee' (sound out/long e); essentially has a very soft y sound
õì = together like this is pronounced 'WAH'
ç  = 's' sound as in 'police', as opposed to a presumed 'k' sound