dunno缩写的意思

RBP OT YA ire 5W1H wanna NFS TYVMIA bfn eak ootb PS RPWT AA YHGMTPOTG DOT MB mara MOD s.o.b. SHE LMK PA RTS MS PM AFV wlcm RF ooi kof JS Amway CEG AC UK GF lr pst TVMIA DC AF BG kwim bw CGM BS ILY x poli XDJM ETC STYS AC YOYOW nbd PF TOS LAPO VIMA