Silent letters

List 1                                                           List 2                                             List 3

write                                                           builder                                           autumn

wrote                                                          guest                                             bargain

wrong                                                         tongue                                          bruise

answer                                                       bargain                                         environment

hour                                                            bruise                                           government

often                                                          muscle                                           foreign

castle                                                        listen                                                language

listen                                                       whistle                                                queue

build                                                        rhythm                                                  yacht

buy                                                          column                                                 leisure

guess                                                      rhyme                                                  restaurant

guide                                                       autumn                                                 rhythm