This is just the alphabet as soon as you get the hang of this everything else will be easy! I got something wrong CH DOES replace K so DOCTOR would be DOKTOR in this language
For the the alphabet https://cdn.instructables.com/FOB/4BS1/I7OLERLS/FOB4BS1I7OLERLS.LARGE.jpg The Studio https://scratch.mit.edu/studios/3877991/ I encourage you to join!