Joke Collection Website - Talk about mood - Friends who know music theory can help me tell you, what are these chords?

Friends who know music theory can help me tell you, what are these chords?

1535 is C, 1#42#4 is the third inversion of D7 (the fifth tone is omitted), 1646 is F, 26#46 is D or D7 (the 7th tone is omitted), 6#42#4 It is the second inversion of D7 (omitting the 7th tone) or the second inversion of D. 6323 may be close, but it is not Dm as LS said