bbbb bbgm bbmg bibb bibi bibo bigb bigg bigo bigt bimo bio- biog bioi biot bito bitt bmmi bobb bobi bobo bogg bogi bogo bogt boi- boii boim boit bomb bomi bomt boob boog boom boot botb boti boto bott btob bttb gbbo ggbt gggg gibb gigg gigi gigo gimo giog gioi gito gmit gobi gobo gogi gogo goit gomb gomi gomo goog gooi goom goot goti gotm goto gott i-go ibbm ibim ibot ibtb igbo igoo igot iiii iiio iiit iioi iioo iitm iitt imbi imit immi immo immt imto iobi iogt ioii ioio ioit iomo iooi iooo ioto itgo itim itmo itoi itoo itto mbim mbio mgit mgmt migg migi migo miii miio miit mim- mimi mimo mio- mit- mitb miti mitm mito mitt mmii mmmm mobb mobi mobo mogg mogi mogo moii moio moit momi momo moob moog moot motb moti motm moto mott mtbo mtom obbo obit oboi obot ogb oggi ogog ogoi oigo oiii oimb oiti ombo omim omio omit omo- omoi omoo oobi oooo ootb otit oto- otog otoo otti otto t-mo tbit tibi tigi tigm tiit timi timm timo titi tito titt tmbg tmtt tobi tobo tobt togo togt toit tomb tomg tomi tomm tomo tomt toom toot toti totm toto tott ttbb ttim tttt