The word Twiging is misspelled against Twigging, which is present continuous of "Twig"
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Twigging has double "gg" is mispronounced as "g"
Remember double 'GG' in between the strings twi & ing which should not be misspelled with single 'G'
Wrong Spelling:  twi-g-ing 
Correct Spelling:  twi-gg-ing 
Find more wrongly spelled words of Twigging to spell it well.