You are up to your last vowel! Congrats!
HOW TO WRITE IT [Follow the red strokes from left to right]
ROMAJI - o SOUND - [as in OH nO!] 13 k wav
MEMORY: It looks like ' - a' but "OH! it's different
GO
All other Hiragana letters are consonants + a vowel (except n)
1 a i u e o R 2 ka ki ku ke ko R 3 sa shi su se so R 4 ta chi tsu te to R 5 na ni nu ne no R 6 ha hi fu he ho R 7 ma mi mu me mo R 8 ya yu yo R 9 ra ri ru re ro R 10 wa n R 11 combo 12 last