RHUMBATRON

ab ah am an ar at ba bo ha hm ho ma mo mu na no nu oh om on or ta to uh um un ut

abo amu ant arb arm art bah bam ban bar bat boa bot bra bro brr bum bun bur but ham hao hat hob hon hot hub hum hun hut man mar mat mho moa mob mon mor mot mun mut nab nah nam nob noh nom nor not nth nub nut oar oat oba ohm ora orb ort our out rah ram ran rat rho rob rom rot rub rum run rut tab tam tan tao tar tau tho tom ton tor tub tun urb urn uta

abut ambo arum atom aunt auto baht barm barn bath bhut boar boat bora born bort bota both bout bran brat brut buhr buna bunt bura burn burr habu hant harm hart haut hoar hora horn hour hunt hurt mano mart math maun maut moan moat mora morn mort moth muon mura murr noma norm nota numb oath orra rant rath rato roam roan roar rota rout runt ruth tabu tahr tarn taro than thou thro thru tomb tora torn torr tour tram tuba tuna turn umbo unto