Interjektionen - Gesprächsstoff

used as a filler in conversation, indicating contemplation, hesitation, or uncertainty

Hmm

used to express contemplation, or fill the gaps in communciation

Also

used in speech to indicate hesitation, uncertainty, or the need for a moment to gather one's thoughts

ähm

used as a placeholder or filler in conversation, typically to indicate a momentary pause or hesitation

ähm

used as a placeholder or filler in conversation, often to indicate a temporary pause or hesitation

ähm

used to initiate a statement, provide context, or transition between ideas in speech

Also

used as a placeholder or filler in conversation, typically to indicate a temporary pause or hesitation

äh

used as a placeholder or filler in conversation, typically to signify a momentary pause or hesitation

Äh!

used as a filler phrase to pause or fill gaps in speech

Du weisst

sed as a filler in conversation, often to add emphasis, provide examples, or express approximation

wie