Syllable-forming consonants r, ŕ, l, ĺ

In Slovak, every syllable must contain a vowel or a diphthong:

mám one syllable
o-tec two syllables
pí-sať two syllables
cvi-če-nie three syllables

Beside vowels and diphthongs, the consonants r, ŕ, l, and ĺ can be "syllable-forming".

stĺp one syllable
vlk one syllable
pr-šať two syllables
vŕ-ba two syllables
ja-bl-ko three syllables
zmrz-li-na three syllables