bbbb bblb bbox bboy bbyo bibb bibi bibl bibo bili bill bilo bilu bily bimo bimx bio- bioi biol biou biox bixi blim blio blix blob blom bloo blou bloy blub blum bly- blym bmmi bobb bobi bobo bobu boby boi- boii boil boim boiu boli boll bolm bolo bolu boly bomb bomi bomu bomy boob bool boom boox boul boum bouy boxy boyi boyl boyo bubb bubi bubo bubu buiu buix bulb buli bull bulu bum- bumb buol buoy buxy buyi buyl buyo buyu byil byob byoi byol byul i-by ibbm ibim ibly ibml ibmx ibox ibuy ibyi iiii iiio iioi iioo iium ilbm ilbx ilio ill- illi illo illy ilmo iloo ilum iluy ilxx ilym imbi imix imli immi immo immy imou iobi ioby ioii ioio iolo iomo iooi iooo iuiu ixil ixlu ixml ixxi libo libu libx liii lilb lili lill lilo lilu lily limb limi liml limm limo limu limy lio- liom lixi lixu lixy liyl liyu llll lloo lmbo lmii lmmx lob- lobb lobi lobo loby loiu loix loli loll lolo loly lomb lomi lomm lomo lomu lomy loob lool loom loui loul loum louu loux lox- loxo luby luli lull lulu lumb lumi lumo luxi luxo luyi lxii lxxi lxxx lyly lymb lymm lyo- lyx- mbim mbio mbou mbox miii miio mili mill milo milu mily mim- mimi mimo mimy mio- miol miui mixi mixx mixy miyu mlii mlix mlxi mlxx mlym mmii mmix mmli mmmm mmxi mmxl mmxx mmyy mobb mobi mobo moby moii moil moio moli moll molo moly momi momo momu momy moob mool moul moux mouy moxi moxo moxy moyl moyo moyu mubi mubo muil muli mull mulm mulo mulu muly mumm mumo mumu mumy muxi muxu muxy mxii mxim mxlo mxml mxxi mybb mybi myi- myl- myli myll mylo mymy myo- myob myx- myxo myxy obbo obby obix oblu oboi obol obox oboy oiii oily oimb oium oiyl olbo olby olib olim olio olli ollo olly olmi olmo olom olux ombo ombu omim omio omo- omoi omoo omox omul omuo oobi ooby oolo oooo ouii oulu oulx oumi ouu- oxi- oxim oxo- oxox oxxo oxy- oxyl oyly oyou ubbi ubbo ubii ubli ublo ubly ubyx uiml uimx ulim ulli ullo ully ulmi ulmo ulmu ulo- ulul ulum umb- umbi umbo ummo umol uoml uomo uulu uuuu uxul xbox xibo xibu xiii xil- xili xill xixi xiyu xlib xlii xlix xlox xmii xolo xoom xoxo xoyo xumo xuxu xxii xxix xxxi xxxo xxxx xxxy xyl- xylo yili yill ylli yobi yobo yoix yoli yoll yolo yoly yomi yomo yool youb youi youl youx yoyo yubu yuli yulo yulu yumi yuxi yuxu yuyu yyyy