define family (3 times)

    xxx
    x x
    xxx
x    x
x    x
xxxxxxxxxxx
   xxxxx  xf
   xxxxx
   xxxxx


define cloud (2 times)
    xxxxxx
  xx      x
 x       x
 x       x
  xxxxxxx
c
          xxxx
         x    xxx
        x       x
        x      x
         xxxxxx

define building (4 times)

     b
    xxx
   xxxxx
  xxxxxxx
   xbxbx
   xxxxx
   xxxxx

define town
c
b
f