bbbb bboy bbyo bibb bibi bibo biji bimo bio- bioi bmmi bobb bobi bobo boby boi- boii boim boji bojo bomb bomi bomy boob boom boyi boyo byob byoi i-by ibbm ibim ibyi iiii iiio iioi iioo ijji imbi immi immo immy iobi ioby ioii ioio iomo iooi iooo jbob jibb jibi jiji jimi jimm jimo jjim jobo joby joio joji jojo jomi jomo joom joyo mbim mbio miii miio miji mijo mim- mimi mimo mimy mio- mmii mmjb mmmm mmyy mobb mobi mobo moby moii moio moji mojo momi momo momy moob moyo mybb mybi myi- mymy myo- myob obbo obby oboi oboy oiii oimb ojoy ombo omim omio omo- omoi omoo oobi ooby ooij ooji oooo yiji yobi yobo yoji yomi yomo yoyo yyyy