| busy out state(expression, activity, business, task, affair) |
| busy path(expression, activity, business, task, affair) |
| busy peak hour(expression, activity, business, task, affair) |
| busy periods(expression, activity, business, task, affair) |
| busy reject(expression, activity, business, task, affair) |
| busy resource(expression, activity, business, task, affair) |
| busy restaurant(expression, activity, business, task, affair) |
| busy signal greeting(expression, activity, business, task, affair) |
| busy signal testing(expression, activity, business, task, affair) |
| busy situation(expression, activity, business, task, affair) |
| busy slot(expression, activity, business, task, affair) |
| busy state(expression, activity, business, task, affair) |
| busy station(expression, activity, business, task, affair) |
| busy status(expression, activity, business, task, affair) |
| busy subscriber(expression, activity, business, task, affair) |
| busy test(expression, activity, business, task, affair) |
| busy testing(expression, activity, business, task, affair) |
| busy the gardener(expression, activity, business, task, affair) |
| busy token(expression, activity, business, task, affair) |
| busy tone(expression, activity, business, task, affair) |