Code these words in small letters. Code the following sentences

Here's the key:
Original: a b c d e f g h i j k l m n o p q r s t u v w x y z
Coded: z y x w v u t s r q p o n m l k j i h g f e d c b a

Let's code the words and sentences:

Code these words in small letters:

1. pen = p(k) e(v) n(m) = kvm
2. dzop = d(w) z(a) o(l) p(k) = walk
3. cap = c(x) a(z) p(k) = xzk
4. givv = g(t) i(r) v(e) v(e) = tree (Your answer was bree, but 'g' codes to 't'.)
5. book = b(y) o(l) o(l) k(p) = yllp
6. xozhh = x(c) o(l) z(a) h(s) h(s) = class
7. mother = m(n) o(l) t(g) h(s) e(v) r(i) = nlgsvi
8. camel = c(x) a(z) m(n) e(v) l(o) = xznvo
9. kfkkb = k(p) f(u) k(p) k(p) b(y) = puppy
10. car = c(x) a(z) r(i) = xzi

Code the following sentences:

1. shut up = s(h) h(s) u(f) t(g) u(f) p(k) = hsfg fk
2. stand up = s(h) t(g) a(z) n(m) d(w) u(f) p(k) = hgzmw fk
3. come here = c(x) o(l) m(n) e(v) h(s) e(v) r(i) e(v) = xlnv sviv
4. sit down = s(h) i(r) t(g) d(w) o(l) w(d) n(m) = hrg wldm
5. go out = g(t) o(l) o(l) u(f) t(g) = tl lfg
6. run out = r(i) u(f) n(m) o(l) u(f) t(g) = ifm lfg
7. come in = c(x) o(l) m(n) e(v) i(r) n(m) = xlnv rm
8. look up = l(o) o(l) o(l) k(p) u(f) p(k) = ollp fk
9. cry out = c(x) r(i) y(b) o(l) u(f) t(g) = xib lfg
10. jump down = j(q) u(f) m(n) p(k) d(w) o(l) w(d) n(m) = qfnk wldm