若且唯若

• 艹(grass)RADICAL
• 右(right; right side)PHONETIC

Wild grass grows everywhere, just like the uncertainty of the word "if."

• 且(altar; pedestal; stand)ASSOCIATIVE

A stacked altar table shape represents something temporary or just added on.

• 口(mouth; opening)RADICAL
• 隹(short-tailed bird; bird with short tail)PHONETIC

A mouth uttering the sound of assent sounds like a bird chirping in response.