The generic down-type quark mass form thus takes the fol- lowing structure ⎛ 0 Md6×6 = √1 2 ⎜⎜⎜⎜⎜⎜⎝−−−dds0332YYY221 −s2 Y1 d3Y2 0 d1Y2 s3Y2 0 wY1 d2 Y2 −d1Y2 0 s2 Y2 −ωY2 0 0 0 0 0 − pY2 − f Y1 0 0 0 pY2 0 ...