Decrypt your own ciphertext obtained from a Substitution Cipher. Note that there may be meaningless words at the beginni

[answerhappygod]

Decrypt your own ciphertext obtained from a Substitution
Cipher.
Note that there may be meaningless words at the beginning or at
the end since the plaintext is divided into equal parts.
CYPHERTEXT:
DAGQHGLYDYLRMFRVQDHJQMDAFIVGLWJOUNDWFKFRVGLANDUUDQIFOFYXU
XDYUGQVIGQVGLQYDRIOGCRDJYDPGGOJRFWDYJFAKDQVXLHNRVFBGOUFOU
DQQLCUJPJFOFAJQDYJVUXDQDHJVNDGODGODFOADDAYJFAUXDAGQHGLYDF
OAFPOJOURVXGBDKDQXDWGOYDOUDAUGPGGOJOAYGUXDYDUXQDDRFUURDYF
YUDQYUXDVBDQDRDJQOFOPUGAQJBVGLMOGBBXJUAFAUXDVAQJBYJFAJRFW
DZLFUDIGQPDUUFOPXDQCQGHFYDUQDJWRDYJFAUXDAGQHGLYDBFUXGLUWG
OYFADQFOPJUJRRUXFYUFHDFBJOUJWRDJOWLCFOUDQQLCUDAUXDXJUUDQR
DUYJRRHGKDGODCRJWDGOXDHGKDAGOJYXDYCGMDJOAUXDAGQHGLYDIGRRG
BDAXFHUXDHJQWXXJQDHGKDAFOUGUXDAGQHGLYDYCRJWDJOAJRFWDQJUXD
QLOBFRRFOPRVUGGMUXDCRJWDGIUXDHJQWXXJQDUXDXJUUDQBJYUXDGORV
GODBXGPGUJOVJAKJOUJPDIQGHUXDWXJOPDJOAJRFWDBJYJPGGAADJRBGQ
YDGIIUXJONDIGQDJYUXD