Twb Wwyl H-ntyng (SIMPLE ›)

Try : t→u, w→x, b→c → "uxc" w→x, w→x, y→z, l→m → "xxzm" h→i, n→o, t→u, y→z, n→o, g→h → "iou zoh" — no.

"gjo jjly uaglat" — still not English. twb wwyl h-ntyng

— which is nonsense unless it’s an anagram or another layer. Try : t→u, w→x, b→c → "uxc" w→x,