bbbb bbdd bbdo bblb bdii bibb bibi bibl bibo bidi bido bild bili bill bilo bilt bio- bioi biol biot bipp bitd bito bitt blbt blio blip blit blob blod bloo blop blot bobb bobi bobo bodb bodi bodo boi- boid boii boil boit bold boli boll bolo bolt boob bood bool boop boot bopp botb botd boti boto bott bpot bpti btbp btdt btlp btob bttb d-bo dbit dblp dbpd dbtt dddd ddot ddpo dibb dibo dibp didi dido diii dili dill dilo diol diop diot dipl dipo dipp dipt diti dito ditt dlbd dlib dlii dlil dlit dobb dobi dobl dod- dodd dodi dodo doid doil doit dold doli doll dolo dolp dolt doob dood dool doop doot dopo dopp dopt dotd doti doto dott dpdt dpll dtdp dtot dtpl dttp ibdo ibid ibot ibtb ibtl iddo idid idil idio idli idol idtp iiii iiio iiit iioi iioo iiop iitt ilio ilit ill- illd illi illo illp illt iloo ilot iobi iod- iodd iodo ioii ioio ioit iolo iooi iooo iopl ioto ipdi ipid ipil iplo ipod ipop ippo ipto itdo itil itll itoi itol itoo itto lddp libo lidb lidl lido liii lilb lili lill lilo lilt lio- liod lip- lipb lipi lipl lipo lipp litb litd liti litl lito litt lldb lldp llll llod lloo lob- lobb lobi lobo lodi loid loit lold loli loll lolo loob lood lool loop loot lopi lopp lotd loti lotl loto lott lpod lppl lptb ltbl ltib obbo obdt obid obit oboi obol obot obtd odbo oddd oddi odio odoo odop odot oido oiii oiti olbo oldb olib olid olio olit olli ollo olot oobi oodi ooid oold oolo oooo ootb ootp opii opio opit opo- oppi oppo opti opto otbd otit oto- otoo otpp otti otto pbil pibb pibi pido piip pil- pild pili pill pilo pilt piob piot pipi pipo pipp piti pito pitt pldt plib plid plio plip plit plob plod ploo plop plot plpp pltt pobo pod- podd podi podo poid poil poio pold poli poll polo polt pood pool poop poot pop- popi popo popp popt potd poti poto pott ppib ppid ppli pplo ppod pppd pppo pppp pptt ptbl ptld ptol ptop ptpd tbil tbit tbtp tddb tdil tibi tidd tiit tild till tilo tilt tiop tip- tipi tipo tipp tipt titi tito titp titt tldp tlli tobi tobo tobt todd todi todo todt toid toil toit tol- told toli toll tolo tolt tood tool toot top- topd topi topo topp topt totd toti toto tott tpld tpol tppd tppp tptp ttbb ttop tttt