olalla olkowo ollola olobok olorua oluara oluklu omakau omalo- omalur ombro- omkara ookroo oolala oooooo oral-b orallo orbara orkowo orlaka orlowo ormara ormolu orobol oroluk oromoo orrour ouakam oumako r-mall raabau rababa rabaul rabkor rablow rabuor rakowo rakuwa rakwal ralbum ramala ramara ramark ramaul rambla rambur raraka raubal raukla rawaru rawbar rllmuk robalo robola robolo robomb rokkor roklum rokuko rokuro rollar romarm romola romolo romour romula romulo roomal roomba rorbua rowkar rowlar rowrow rubarb rubbra rubkow rubral rubraw rubro- rubrum rumaal rumbak rumbur rumlar rumoka rumour ruurlo ruwala ubala ubauro ubombo ukamau ukbara ukwulu ulaula ullalu ulloor ulubab umauma umbral umlouk ummaru umuaka umurlu urkulu uruara wabara waboba waboom wakaba wakako wakool wakura wakwak walawa walbro walkom walkow wallal wallau wallow wallum walour wamako wamara warall warawa warbow warlau warlaw warloo warlou warlow warora warral warrau warrok warwal warwar waubra wawmum wawrow wollar wollow wolmar wolowa wolowo wommal woowoo worbla workum wormal wormul worora worowo worral worrow wulkau wulkow wurmal wurmla wurrow