-hou bbbb bbdd bbdo bblb bddh bhdl bhot bhut bhuu blbt blob blod blom bloo blot blou blub blud blum blut bmdb bobb bobo bobu bodb bodh bodo bodu bohd bohl bohm boho boht bohu bold boll bolm bolo bolt bolu bomb bomt bomu boob bood booh bool boom boot botb botd both boto bott boud bouh boul boum bout btdt btob bttb bubb bubo bubu budb budd budl budo budu buhl buho bulb buld bull bult bulu bum- bumb buol but- buto butt d-bo dbtt dddd ddot ddub dhod dhol dhul dlbd dmdt dobb dobl dobu dod- dodd dodo dohl dohm dold doll dolo dolt dolu domb domm domo doob dood dool doom doot dotd doth doto dott doub doud doul doum dout dthd dtot dub- dubb dubh dubu dudd dudo dudu duhl duhu dull dulo dult dulu dumb dumh dumm duo- duul duut hbtl hbtu hdml hdod hdtt hhhh hlod hlul hmdt hmhb hmlt hmmm hmtd hobo hodh hohl hohm hoho hol- holb hold holh holl holm holo holt holu hom- homo homu hood hool hoom hoot hotb hotd hoth hotl hotm hoto hott hotu houd hout html htoh htol httm hubb hubl hubo hudd hudl hudo hudu huhu huld hull hult hulu humh humm humo huot huth huto hutt hutu huub lddm lhhh lldb llll llod lloo llud lmbo lob- lobb lobh lobo lodh loho lohu lold loll lolo lomb lomm lomo lomu loob lood lool loom loot lotd loth lotl loto lott loud louh loul loum lout louu ltbl ludd ludo luhu lull lulu lumb lumo luoh luth mbdb mbhl mbou mddl mddm mdot mdud mhmm mltb mmdb mmdl mmhl mmhm mmmd mmmh mmmm mmod mobb mobo modd modh modo modu mohl mohm moho moht mohu mold moll molo molt momo momu moob mood mool moot motb motd moth motl motm moto mott motu moud moul mout mtbd mtbo mtdh mtlb mtld mtom mubo mudd mudl mudu muhu muld mull mulm mulo mult mulu mumm mumo mumu muth muto mutt mutu muut obbo obdt oblu obol obot obtd obuh odbo oddd odoh odom odoo odot odou odtu odum ohho ohob ohoh ohto ohtu ohum olbo oldb oldh olhm ollo olmo olom olot oltu ombo ombu omdb omo- omoo omul omuo ooho oold oolo oooh oooo ootb otbd otho oto- otoh otoo otto ottu oudh ould oulu out- outb outh outo ouu- t-mo tddb thmb thmt thom thoo thot thou thtb thud thul thum tmou tmtt tobo tobt tobu todd todo todt todu toho tohu tol- told toll tolo tolt tolu tomb tomm tomo tomt tood tooh tool toom toot totd toth totm toto tott touh toul toum tout ttbb ttml tttt ttul tubb tubo tubu tudu tuht tuhu tull tulo tulu tumb tumu tutl tuto tutt tutu tuum tuuo ubbo ublo ubod ubud udoh udoo udot uh-d uhoh uhuh ullo ulmo ulmu ulo- ulto ultt ulul ulum umb- umbo ummo umol umut uoml uomo utmb utto uttu uulu uuuu