删去一个字母，变成另一的单词

Question

theme、harm、host、raise、event、cover、itchy、clap、tour、thought、bite，bald

Answer 1

theme -> them
harm -> ham
host -> hot
raise -> rise
event -> even
cover -> over
itchy -> itch
clap -> lap
tour -> our
thought -> though
bite -> bit
bald -> bad

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Answer 2

them,ham,hot,rise,even,over,itch,cap/lap,our,though,bit,bad

Answer 3

them、arm、hot、rise、even、over、itch、cap、our、though、bit，bad