dh, th, lh, kh, gh, fh, vh, sh, zh, hb, hp, hd, ht, hk, hg, hvv, hv, hf, hs, hz
valid C+/x/ combinations, bolded ones are valid in both initial and final
sk, st, sd, sr, sf, zv, zvv - valid sibilant initial
sk, st, sd, sf, sv, svv, zv, zvv, zg, zd, rs, rz - valid sibilant coda
tr, tf, ts, dr, dv, dvv, dz - valid plosive initial
rt, ft, st, rd, vd, zd - valid plosive coda
i'll continue editing this with phonotactic stuffs