tools for shx font in linux

how can I create a shx font in linux? and how can I view table of symbols of some existed font.

latest version of bricscad 10.4.4 have a problem with encoding of ttf fonts cyrillic.

existed shx (from russian version) fonts did not have ukrainian specific  symbols such a "ҐґЇїЄєІі₴'"

thank you in advise

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with best regards