What about using a split keyboard like those from: Kinesis[1], ZSA Moonlander[2] or ErgoDox[3] or Voyager[4], etc. Or full key keyboard with split design like seen at: Logitec[5], Microsoft and others[6].

[1] https://kinesis-ergo.com/keyboards/advantage360/

[2] https://www.zsa.io/moonlander/

[3] https://ergodox-ez.com/

[4] https://www.zsa.io/voyager/

[5] https://www.logitech.com/en-us/products/keyboards/k860-split...

[6] https://www.popularmechanics.com/technology/gadgets/g3935770...