Phase 6b - Revisit alternative consonant spellings

f, ff, ph /f/, h, wh /h/, g, ge, dge /j/, k, c, ck, ch /k/, l, ll, le, el, al, il /l/, n, gn, kn /n/, r, wr, rh /r/, s, ss, c, se, ce, st, sc /s/, v, ve, f /v/, w, wh /w/ , z, zz, se, ze /z/, ch, tch, t(ure) /ch/, sh, ch, ti, ci, ssi /sh/ 

voiced / unvoiced /th/, ng, n(k) /ng/, si, su, ge /zh/