ri- |  |  | rib  |  |  | ribbon  |  |  | rice  |  |  | rich  |  |  | Richard  |  |  | riches  |  |  | richly  |  |  | richness  |  |  | rick1  |  |  | rickets  |  |  | rickety  |  |  | rid  |  |  | ridden  |  |  | riddle1  |  |  | riddle2  |  |  | ride  |  |  | rider  |  |  | ridge  |  |  | ridicule  |  |  | ridiculous  |  |  | rifle1  |  |  | rifleman  |  |  | rift  |  |  | rig1  |  |  | rigging1  |  |  | rigging2  |  |  | right1  |  |  | all right  |  |  | all right  |  |  | right2  |  |  | rightly  |  |  | rigid  |  |  | rigidly  |  |  | rigor1  |  |  | rigorous  |  |  | rill1  |  |  | rim1  |  |  | rind  |  |  | ring1  |  |  | ring2  |  |  | ringlet  |  |  | rinse  |  |  | riot  |  |  | riotous  |  |  | rip1  |  |  | ripe  |  |  | ripen  |  |  | ripping  |  |  | ripple  |  |  | rise  |  |  | rose; risen  |  |  | risen  |  |  | risk  |  |  | risky  |  |  | rite  |  |  | ritual  |  |  | rival  |  |  | rivalry  |  |  | river  |  |  | riverside  |  |  | rivet  |  |  | rivulet  |  |  | 次へ(ro-) |
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