frbroo fumoir furfur furour furrfu ibibio ibrium ifumbo iiooio imirim irrour mbombo mbomou miburi mifumi mimori miombo miomir miroir mirour mirror mirumo miruru moffom moffou mofibo mommur momoir moomoo moormi morbio moribi moriro mormor mormur moroii mourou muffro murio- murium murmir murmur muumuu obfirm offrir ombro- omfori omoio- oooooo oriomo ormuri orobii oromoo orrour ouioui rififi rimbor rirumu robbio robomb romiri romour ruboff rubro- rubrum rumbur rumour u-form ubombo uburoi umirim urform

bbbbbbb bim-bom biobio bioform bommuru boo-boo boromir bourrou brimfir bromium burrium fiobbio fiormor fomorii foo-foo fou-fou fourmor furiiru furrour mirmiru mirrour mobimii moo-moo moriori morrum morumbi moumour mouriri murmuri muu-muu off-off offform oriform oroboro oubombo rimbomb robiboo roomfor rub-off rubbour ubomiri ububboo ur-form uriburu

bbbbbbbb bo-bo-bo boomboom boomburb broubrou burriour buruburu fourbour froufrou furifuff furifuri i-ii-iii ibimirim iooooooo mbumburu mioumiou miromiro mirrorim moriform muriform murumuru off-form orbiform ribibour rimbombo rimiform riroriro roborior roumboui ubbubboo uforbium

biro-biro boom-boom borborbor bromoform fibriform four-four frou-frou miou-miou mummiform oromoromo ouroboroi rubriform

brimborium muumibuumi rumorrumor

bobbi-bobbi

mirrormirror mmmmmmmmmmmm

froufroumuumuu muumuufroufrou

bbbbbbbbbbbbbbb ioooooooooooooo