| add | remove |
| begin | end |
| create | destroy |
| enqueue | dequeue |
| first | last |
| get | put |
| get | set |
| increment | decrement |
| inject | reject |
| input | output |
| insert | delete |
| lock | unlock |
| min | max |
| next | previous |
| new | old |
| open | close |
| send | receive |
| show | hide |
| source | target |
| start | stop |
| up | down |
| add | remove |
| begin | end |
| create | destroy |
| enqueue | dequeue |
| first | last |
| get | put |
| get | set |
| increment | decrement |
| inject | reject |
| input | output |
| insert | delete |
| lock | unlock |
| min | max |
| next | previous |
| new | old |
| open | close |
| send | receive |
| show | hide |
| source | target |
| start | stop |
| up | down |
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