ei [e:ɪ]

When they come together, so they always are pronounced in one syllable without splitting them
For example
(bei-jo ['be:ɪ.ʒʊ]).
Kiss

eí [e'i]

So when vowel í comes accentuated, with letter E, so we split the vocal, and the accentuated letter Í would be a syllable, and we pronounce it stressed (Tônica)
For example
(ve-í-cu-lo [ve'i.ku.lʊ]).
vehicle

éi [ɛ:ɪ]
If letter 'é' is accentuated, and it comes with letter I, so they always are pronounced in one syllable without splitting them
For example
(an-éis [a'nɛ:ɪs]).
Rings

éo [ɛ:ʊ]

If letter 'é' is accentuated, and it comes with letter O, so they always are pronounced in one syllable without splitting them
For example
(au-réo-la [aʊ'ɾɛ:ʊ.lɐ]).
Halo
In old editions words can be found with the shapes ‘éo’, ‘eo’ which are currently written as ‘éu’, ‘eu’
(céo[sɛ:ʊ], seo [se:ʊ].
Your

eu [e:ʊ]

When they come together, so they always are pronounced in one syllable without splitting them
For example
(deu-s ['de:ʊ.z])
God

eú [e'u]

If letter 'ú' is accentuated, with letter E, so we split the vocal, and the accentuated letter ú would be a syllable, and we pronounce it stressed (Tônica)
For example
(con-te-ú-do [kõ.te'u.dʊ]).
content

éu [ɛ:ʊ]

If letter 'é' is accentuated, and it comes with letter U, so we pronounce them in only one syllable, without splitting them
For example
(cha-péu [ʃa'pɛ:ʊ]).
Hat