5-dot patterns. Letter o represents a dot. Lines are just spacers for presentation.
o_o
_o_
o_o
(Die-5 pattern or playing card pattern)
_o_
ooo
_o_
(Diamond pattern)
__o__
_o_o_
o___o
(Triangle or A)
o___o
_ooo_
(Bowl)
_ooo_
o___o
(Inverted bowl)
_o_o_
o_o_o
(Ziggurat or trapezium)