Base word and suffix
syllable division
drop or keep e?
change y to i?
1-1-1 doubling?
100

hopping

hop + ing

100

sisterly

sis + ter + ly

closed, r-controlled, open

100

compete + ing

competing

100

try + ed

tried

100

stop + ed

stopped

200
enjoyment
enjoy+ment
200

happening

hap + pen + ing

closed, closed, closed

200

explode + ed

exploded

200

sunny + est

sunniest

200

jump + ing

jumping

300

poking

poke + ing

300

tomato

to+ma+to

open, open, open

300

complete + ly

completely

300

fry + ing

frying

300

slop + y

sloppy

400

spied

spy + ed
400

permanent

per + man+ ent

r-controlled, closed, closed

400

exercise + ing

exercising

400

play + ing

playing

400

help + er 

helper

500

judging 

judge + ing

500

Valentine

Val + en + tine


closed, closed, silent e

500

investigate + ive

investigative

500

creamy + est

creamiest

500

bloom + ing

blooming