Press 0(vowels), 1, 2, 3, 4, 5, 6, 7, 8, h(Modified vowels 1), d(Modified vowels 2) to change the Kana. IPA sounds in on the bottom of the letter. The Sokuon, a. k. a. Little Ts(u) っ used for consonant gemination, choonpu to enlengthen the vowel.
I am thinking about some stuff, I asked myself... What if Japanese syllabaries become a separate alphabet? And this is how. Some reason, I have to reduce and eliminate some hiragana letters. And use the remaining one to make this... The vowels alone are fitting, so that's why I add them. K-row uses か /k/, き /c/, く/q/. Dakuten voiced them, and Handakuten turn them to Bidakuon phenomenon or labialized velar. S-row uses さ/s/, し/ʃ ~ ɕ/, そ/θ/. Dakuten voiced them, but no usage of Handakuten. T-row uses ち/tʃ ~ tɕ/, つ/ts/, て/t/. Dakuten voiced them, but optional usage of Handakuten is て/t/ as て゚ is affricate /tθ/ and つ/ts/ as つ゚ is suffricate /st/. H-row uses ひ/x/, ふ/ɸ ~ f/, へ/h/, Dakuten voiced them, but へ/h/ mutates to べ/b/, Handakuten mutates へ/h/ to ぺ/p/ and optionally, ひ/x/ to ぴ/ħ/, for mostly Arabs and some non-Arabs like Malta. N-row uses に for /ɲ/ の for initial and medial /n/, final /n/ uses ん. M-row uses ま for initial and medial /m/, む for final /m/.