Atoms and elements of the Voynichese alphabet

[Mauro]

A bit surprising, "air" appears here between the line of single letters; most people consider this as a combination of up to 3 different Voynichese characters a, i and r,  but we have to face here the fact of "air" being some "atomistic", stand-alone sign. It appears also (very rarely) in the main text.

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Most people think of cFe, cPe, cTe, cKe, ee, eee, ii, iN, ir, iiN, iir also being combined characters = red framed here.

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But can there be even more?

If 'in', 'iin', 'ir', 'iir', then why not 'im', 'iim', 'ig', 'il', 'iil', 'is', 'iis', 'ik', 'iik' etc.?