"Ffatri'r Llythrennau" Here we go again. A: Same B: Same C: Same as Filipino K (Carati) CH: Same as Russian Х (Chwerthin) D: Same (Drwm) DD: Same as Δ (Ddirgrynu) E: Same F: Same as Greek Β (Feiolin) FF: Same as Dutch F (Ffotograff) G: Same as French (Gitar) NG: Same as Finnish G (Gongiau) H: Same as Polish (Hwla) I: Same as Dutch (Inc) J: Same as Indonesian (Jeli) L: Same (Lolipop) LL: Same as the other shushing letters, I guess (Llonydd), but she makes the /ɬ/ sound, which is like a lateral lisp shushing sound. M: Same N: Same (Na) O: Same P: Same PH: She will be like Alphablock S. She is a beach ball (phêl) that is full of air. When she inflates or deflates, she makes the /f/ sound. R: Same (Rasio) RH: Same as C, I guess (Rhyn). The /r̥/ sound can be a shivering sound. S: Same as the other skunk letters (Sgync) T: Same as Indonesian (Tenis) TH: Same as Spanish CH (Thren) U: Same as Polish Y (Glanhau) W: Same as Polish U (Harddwch) Y: Same as Indonesian I (Pysgod) "Ffatri Geiriau Siarad" (Welsh Talking Words Factory) Aside from the circumflex in vowels, it's just sticky vowels and diphthongs.
EGTTRO @Bren319