Words ending with an a, e and o or a, e and o in combination with an s, m or ns (e.g. -as, -es, -os, -am, -em, -ens) are stressed on the syllable before the last syllable, for example:
 

	ending in a	casa
	ending in e	verdade
	ending in o	amigo

	ending in as	notas
	ending in es	pacotes
	ending in os	pescoços

	ending in am	falam
	ending in em	homem
	ending in ens	viagens