Progress confirmation

I won't give hints for this puzzle but I will confirm your progress here until you find the solution.

1.

thanks to @LukasRotter in the comments: the distribution of the letters in the image is almost the expected one from the English language, except that there are way more xs than the expected number. In fact, the letter x has a particular meaning for this puzzle.

The puzzle is self-contained in the image below. The answer is a three-word sentence.

The puzzle is self-contained in the image below. The answer is a three-word sentence (7,4,6).

code: T R K B V

Yp Yj Gx Rl Rj Tw Wx Vg Tc Re Kl Vg Wy Vc Bx Oa
Rb Yx Gs Kx Ww Rr Oy Gz Bt Te Vx Vu Kz Vi Ba Rx
Tl Tl Os Kt Ow Gl Yx Gt Te Bx Br Ga Wc Ve Rx Tx
Vn Bo Yl Yf Ro Ym Wd Rs Kx Bd Gm Op Yx Yu Bm Vo
Gx Oa Vi Tn Rx Ke Tw We Re Wz Vt Ow Vw Bx Tb Gi
Gm Tf Vn To Rx Vw Ga Yx Vs Ym Wc Kx Rr Gb Tx Bw
Tu Kv Rk Th Tb Rt Ks Vx Tr Wz Gm By Bw Kt Wo Vm
Yx Ym Rx Bo Ke Oo Bv Gs Yx Bx Oc Kt Ta Gw Vx Ov
Bx Oy Te We Kn Wu Yd Vi Tl Ge Bo Vm Gn Tm Rx On
Ob Tz Rn Bk Gf Va Bn Yx Wn Tt Te Bj Yd Kx Ri Br
By Gv Rs Be Gg Wk Ta We Gy Wq Be Vx Ye Gi Va Yd
Ts Bn Vp Go Yw Rx Rx Yg Tr Yj Tz Wq Wy Kx Or Be
Yt Rf Vt Th Gt Vi Od Re Tn Bx Kc Wo Vh Gr Bo Vd
Km Re Rd Os Ri Re Te Tf Bj Wb Rx Rh Vt Yx Wq Bi
Yu Vj Rn Ge Bc Ky Vo Rn Yt Kl Vl Rm Vj Ke Vx Ra
Ry Vi Gr Bh Od Oc Ge Vy Yx Vo Of Gc On Bo Wx Kt
Yh Vd Tl Kp Va Re Ga Ov Vz Tq Oc Tp Rw Bi Oj Gr
Rs Tu Rf Yd Th Kd Bp Yu Tm Os Yh Wm Oo Tr Vu Rp
Ou Vq Kv Gv Tx Ok Tx Wn Od Wa Tw Kg Ot Yx Vo Vj
Bk Vi Wg Rv Wy Wd Ok Rr Rj Rs Vp Vi Kr Bz Ov Kx
Wc Rm Ow Ry Vc Vf Bx Vc Wu Ge Oz Gp Ks Rf Gu Rf
Gq Rr Gs Kf Gy Gh Kr Kk Wg Va Bb Yo Ya Kf Ok Ol
Bi Km Rb Tx Yy Tt Tg Ot Vy Vs Wt Ve Bo Rk Yw Re
Vv Yq Rr Vq Wv Rf Gr Or Rg Gb Oq Kp Kf Op Gz Yk
```

code: T R K B V

Yp Yj Gx Rl Rj Tw Wx Vg Tc Re Kl Vg Wy Vc Bx Oa
Rb Yx Gs Kx Ww Rr Oy Gz Bt Te Vx Vu Kz Vi Ba Rx
Tl Tl Os Kt Ow Gl Yx Gt Te Bx Br Ga Wc Ve Rx Tx
Vn Bo Yl Yf Ro Ym Wd Rs Kx Bd Gm Op Yx Yu Bm Vo
Gx Oa Vi Tn Rx Ke Tw We Re Wz Vt Ow Vw Bx Tb Gi
Gm Tf Vn To Rx Vw Ga Yx Vs Ym Wc Kx Rr Gb Tx Bw
Tu Kv Rk Th Tb Rt Ks Vx Tr Wz Gm By Bw Kt Wo Vm
Yx Ym Rx Bo Ke Oo Bv Gs Yx Bx Oc Kt Ta Gw Vx Ov
Bx Oy Te We Kn Wu Yd Vi Tl Ge Bo Vm Gn Tm Rx On
Ob Tz Rn Bk Gf Va Bn Yx Wn Tt Te Bj Yd Kx Ri Br
By Gv Rs Be Gg Wk Ta We Gy Wq Be Vx Ye Gi Va Yd
Ts Bn Vp Go Yw Rx Rx Yg Tr Yj Tz Wq Wy Kx Or Be
Yt Rf Vt Th Gt Vi Od Re Tn Bx Kc Wo Vh Gr Bo Vd
Km Re Rd Os Ri Re Te Tf Bj Wb Rx Rh Vt Yx Wq Bi
Yu Vj Rn Ge Bc Ky Vo Rn Yt Kl Vl Rm Vj Ke Vx Ra
Ry Vi Gr Bh Od Oc Ge Vy Yx Vo Of Gc On Bo Wx Kt
Yh Vd Tl Kp Va Re Ga Ov Vz Tq Oc Tp Rw Bi Oj Gr
Rs Tu Rf Yd Th Kd Bp Yu Tm Os Yh Wm Oo Tr Vu Rp
Ou Vq Kv Gv Tx Ok Tx Wn Od Wa Tw Kg Ot Yx Vo Vj
Bk Vi Wg Rv Wy Wd Ok Rr Rj Rs Vp Vi Kr Bz Ov Kx
Wc Rm Ow Ry Vc Vf Bx Vc Wu Ge Oz Gp Ks Rf Gu Rf
Gq Rr Gs Kf Gy Gh Kr Kk Wg Va Bb Yo Ya Kf Ok Ol
Bi Km Rb Tx Yy Tt Tg Ot Vy Vs Wt Ve Bo Rk Yw Re
Vv Yq Rr Vq Wv Rf Gr Or Rg Gb Oq Kp Kf Op Gz Yk