Icelandic and Faroese have preaspirated [ʰp ʰt ʰk]; some scholars interpret these as consonant clusters as well. In Icelandic, preaspirated stops contrast with double stops and single stops:
What do scholars say the preaspirated [ʰp ʰt ʰk] are too?
{'text': 'consonant clusters', 'answer_start': 85}