卄
=
一
+
丨
:
Mnemonic symbol: a double axe. Here's why: 20 -> XX -> "double-x" -> "double axe". Nefertiti (ni) is rebuilding her kingdom in the anthill's bathroom (an4). She's shaping twenty (卄) dinosaur bones (丨) with a double axe (卄) and stacking them on top of one (一) flute (一).
氵
=
⺀
+
㇀
:
Mnemonic symbol: a bottle of water. Sheldon Shrimp (shu) enjoys a bottle of water (氵) in the Eiffel Tower's living room (ei3). The got the water by scratching (㇀) a blossom (⺀) and catching the leaking dew in a bottle.