marama marara mararo marbar marbla marbul margab margam margao margha margou marhal marham marmol marmor maroga marola maroma marool maroua marral marram marrar marror marrou marrub marrum marula maular maumau mbalal mbalam mbarga mbauro mbombo mbomou mbrola mbugua mbumba mm-hmm moamba mobara mobbar moblog mobral mobula moggar moghar moghra moghul moglaa mogolo mogoro mogral mogulu mohall mohara mohoao moholl moholm mohora mohoro mohoua mohuhu molala molhah mollag mollah mollau mollom mologa molour mommur moobol moogoo moolah moomba moomoo moraga morago moraro moraru morgar morgul morham mormal mormor mormur morogo morolo morral morroa moruga morula moulah mourou mrambo mramor mrugam mrugua mualla muamba mugarm muggar muggur mughal mugham mughar mughul muguga mugumu muguru muhlau muhooa muhuga muhugu muhuhu muhurr muhuru mulago mulala mulgoa mullah mullar mullum mullur mulmul mulmur mumbar mumbra muraba muragh murala murara muraro murbah murgah murgul murmur murrah murral murram murrha muruga muumuu muurla oalbum oamaru obaala oballo obambo obbola oboama obourg obubra ogalur ogbaru oghara oglala ohagro ohlala ohmama ohohoh olalla ollamh ollola olorua oluara omagra omagua omalo- omalur ombrah ombro- oohooh oolala oooooo oorahu oral-b orallo orbara orgall ormara ormolu orobol oromoo orrho- orrour r-mall raabau raagam raamah rababa rabaul rabbah rablah rabuor ragala ragama ragbag raggah raggal ragmar ragol ragrug rahama rahara rahbar rahgah rahrah rahugh ralbum ramaha ramala ramara ramaul rambha rambla rambur rarahu rarog raubal rhamma rhogog rhomb- rhumba robalo robbah roblog robo-g robola robolo robomb rogala rogolo rohham rohrau rollag rollar romarm romola romolo romour romula romulo roogoo roomal roomba rorbua rragam rubarb rubbra rubgag rubral rubro- rubrum rugola rugolo rugula ruhama ruhgam ruhroh rumaal rumaga rumbur rumlar rumohr rumour ruurlo u-haul ubala ubauro ubombo ugalla ugallu ugboba ugramm ugurlu uh-huh ulaula ulgham ullalu ulloor ulubab um-hum umarga umarha umauma umbral ummaru umurlu urgull urhobo uruagu uruara urughu