Examples:
* "sh" (as in "shush")
* "th" (as in "think")
* "ps" (as in "psychology")
* "br" (as in "brand")
These consonant clusters can be used as prefixes, suffixes, or even stand alone as short words.
It's important to note that these consonant clusters are still technically words, even though they lack traditional vowels. They have meaning and can be used in sentences.