Romak is a keyboard layout built for Portuguese and English users, with a goal to enhance hand alternation, minimize finger movement, reduce single-finger bigrams, and decrease reliance on the pinky and central columns.

  q  b  m  g  k    x  l  o  u  ;
  d  n  s  t  w    z  r  a  e  i
  y  f  c  p  v    j  h  ,  .  /

See this page for a detailed writeup.