bbbb bblb bght bhil bhit bhog bhoi bhot bibb bibi bibl bibo bigb bigg bigo bigt bihi bihl bili bill bilo bilt bio- biog bioi biol biot bith bito bitt blbt blio blit blob blog bloo blot bobb bobi bobo bogg bogh bogi bogo bogt bohl boho boht boi- boii boil boit bolg boli boll bolo bolt boob boog booh bool boot botb both boti boto bott btob bttb gbbo ggbt gggg gghg ghib ghit ghll ghoi ghol gibb gibh gigg gigi gigo gilg gili gill gilo gilt giog gioi gith gito gli- glib glit glob glog gloh glot gobi gobl gobo gogh gogi gogo gohb goit goli goll golo golt goog gooi gool goot goth goti gotl goto gott h-ii hbio hbit hbtl hhgg hhhh hibi hibt high higi higl higt hihi hiho hiht hiil hiit hili hill hilo hilt hiob hiti hito hitt hobo hogg hogh hogi hogl hogo hohl hoho hoil hoit hol- holb holh holi holl holo holt hool hoot hotb hoth hoti hotl hoto hott htgl htoh htol i-go ibot ibtb ibtl igbo ight igil igli iglo igoo igot ihit ihob iihl iiht iiii iiio iiit iioi iioo iitt ilio ilit ill- illi illo illt ilog iloo ilot iobi iogt ioii ioio ioit iolo iooi iooo ioto itgo itil itll itoh itoi itol itoo itto lbgt lgbt lgth lhhh libo ligg ligh ligi ligo lih- lihi liho liht liig liii lilb lilg lili lill lilo lilt lio- litb lith liti litl lito litt llll lloo lob- lobb lobh lobi lobo log- logb logh logi logo lohi loho loit loli loll lolo loob lool loot loth loti lotl loto lott ltbl ltib obbo obit oboi obol obot ogb oggi oghi oght ogli ogog ogoi ohhi ohho ohio ohob ohoh ohto oigo oiii oiti olbo olib olig olio olit olli ollo olog olot oobi ooho oolo oooh oooo ootb otho otit oto- otog otoh otoo otti otto tbil tbit thi- thig thil thio thog thoo thot thtb tibi tigh tigi tiht tiit tilh till tilo tilt tith titi tito titt tlli tobi tobo tobt togh togo togt tohi toho toil toit tol- toli toll tolo tolt tooh tool toot toth toti toto tott ttbb tttt