歯茎しけい側面そくめん接近せっきんおとでしょう
shikeisokumensekkin'otodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 歯茎側面接近音

1. Probably a lateral alveolar approximant.

Polite
Presumptive
Conjecture
Linguistics