ru- |  |  | rub  |  |  | rubber1  |  |  | rubbish  |  |  | Rubens, Peter Paul  |  |  | ruby  |  |  | rudder  |  |  | ruddy  |  |  | rude  |  |  | rudely  |  |  | rudiment  |  |  | rudimentary  |  |  | rue1  |  |  | ruffian  |  |  | ruffle1  |  |  | rug  |  |  | rugby  |  |  | rugged  |  |  | ruin  |  |  | ruinous  |  |  | rule  |  |  | ruler  |  |  | rum1  |  |  | Rumania  |  |  | rumble  |  |  | ruminate  |  |  | rummage  |  |  | rumor  |  |  | rumour  |  |  | rump  |  |  | rumple  |  |  | run  |  |  | ran; run  |  |  | run away  |  |  | run out  |  |  | run out of…  |  |  | runaway  |  |  | rung1  |  |  | runner  |  |  | running  |  |  | runway  |  |  | rural  |  |  | rush1  |  |  | Russell, Bertrand (Arthur William)  |  |  | russet  |  |  | Russia  |  |  | Russian  |  |  | rust  |  |  | rustic  |  |  | rustle  |  |  | rusty  |  |  | rut1  |  |  | Ruth, George Herman  |  |  | ruthless  |  |  | ruthlessly  |  |  | 次へ(rw-) |
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