The Spanish Pronunciation Guide:

Vowel > II < Consonant

<IMG height=100 src="Puerta del Sol Pronunciations Page Vowel and Consonant--the Audio Magazine for learners of Spanish_files/vow_con.jpg" width=485 border=0>

No problem here, either. The constrictive consonant at these junctures also keeps both words audibly separate. In any case, we've already established that in a syllabified Spanish phrase almost all of the syllables, or discrete audible "beats," begin with a consonant.