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-hou bbbb bblb bhil bhim bhit bhoi bhot bhut bhuu bibb bibi bibl bibo bihi bihl bihu bili bill bilo bilt bilu bimo bio- bioi biol biot biou bith bito bitt bitu blbt blim blio blit blob blom bloo blot blou blub blum blut bmmi bobb bobi bobo bobu bohl bohm boho boht bohu boi- boii boil boim boit boiu boli boll bolm bolo bolt bolu bomb bomi bomt bomu boob booh bool boom boot botb both boti boto bott bouh boul boum bout btob bttb bubb bubi bubo bubu buhi buhl buho buit buiu bulb buli bull bult bulu bum- bumb buol but- buti buto butt h-ii hbio hbit hbtl hbtu hhhh hibi hibt hibu hihi hiho hiht hiil hiit hiiu hili hill hilo hilt hilu himu hiob hiti hito hitt hlim hlul hmhb hmlt hmmm hobo hohl hohm hoho hoil hoit hol- holb holh holi holl holm holo holt holu hom- homo homu hool hoom hoot hotb hoth hoti hotl hotm hoto hott hotu hout htmi html htoh htol httm hubb hubi hubl hubo huhi huhu huib huil huit huli hull hult hulu humh humm humo huot huth huti huto hutt hutu huub ibbm ibim ibml ibot ibtb ibtl ihit ihmo ihob ihub ihuo iihl iiht iiii iiio iiit iioi iioo iitm iitt iium ilbm ilio ilit ill- illi illo illt ilmo iloo ilot ilum ilut imbi imhi imho imit imli immi immo immt imou imto iobi ioii ioio ioit iolo iomo iooi iooo ioto itil itim itll itmo itoh itoi itol itoo itou itto itum iuiu lhhh libo libu lih- lihi liho liht liii lilb lili lill lilo lilt lilu limb limi liml limm limo limu lio- liom litb lith liti litl lito litt litu liut llll lloo lmbo lmii lob- lobb lobh lobi lobo lohi loho lohu loit loiu loli loll lolo lomb lomi lomm lomo lomu loob lool loom loot loth loti lotl loto lott louh loui loul loum lout louu ltbl ltib luhi luhu luit luli lull lulu lumb lumi lumo luoh luth luti mbhl mbim mbio mbou mhmm mihi miho miht miii miio miit mili mill milo milt milu mim- mimi mimo mio- miol mit- mitb mith miti mitm mito mitt mitu miui mlii mlit mltb mmhi mmhl mmhm mmii mmli mmmh mmmm mobb mobi mobo mohi mohl mohm moho moht mohu moii moil moio moit moli moll molo molt momi momo momu moob mool moot motb moth moti motl motm moto mott motu moul mout mtbo mtlb mtom mubi mubo muhi muhu muil muit muli mull mulm mulo mult mulu mumm mumo mumu muth muti muto mutt mutu muut obbo obit oblu oboi obol obot obuh ohhi ohho ohio ohob ohoh ohto ohtu ohum oiii oimb oiti oium olbo olhm olib olim olio olit olli ollo olmi olmo olom olot oltu ombo ombu omim omio omit omo- omoi omoo omul omuo oobi ooho oolo oooh oooo ootb otho otit oto- otoh otoo otti otto ottu ouii ouit oulu