Here are 3 different sayings encoded using the same code:
WGS UGKKW RGG ZSJX MYGSR WGSK QGY. DRGO CR. WGS MKB PGR OMCV BPGSTX RG UGKKW.
DG DG CD TGGV, LBKW TGGV, LBKW BEJBFFBPR TGGV:
MPV WBR CR CD PGR; CR CD YSR DG DG.
-- UCFFCMZ DXMIBDOBMKB, "MD WGS FCIB CR"
VGP'R TBR DRSJI CP M JFGDBR -- UBMK WGSKDBFN GSR.
I give up!