ai, ay like 'eye': baile
au like 'ow' in 'cow': causa
ei, ey like 'ay' in "say": reina, rey.
eu like "ooo" euro = "ooo-row"
ia like 'ya' in 'Kenya': piano
ie like 'ye' in "yes": pie = "pee-yeh"
io like 'yo': dio
iu like 'ew' in few: ciudad = "see-you-thaad"
oi, oy like 'oy' in "boy": soy
ou like 'ou' in "though". Present only
in foreign words: show
ua like 'wa' in "wallet": cuatro
ue like 'we' in "well": puedo
ui, uy
like 'wi' in "winter": ruido
ui like 'ooy': cuido = "coo-wee-dough"
uo like "wa" in "water": averiguo
