kerk kerl kero kerr keru keul keur kfbc kfbk kfcf kfch kfco kfcr kfeb kfel kfer kffb kfff kffk kfhc kfhl kfkb kflb kflc kflf kfll kflo kfok kfoo kfor kfrc kfre kfrh kfro kfrr kfru kful kfuo khbc khbr khcb khcc khcf khch khck kheb khec khel kher khfr khhk khhl khho khke khkk khkr khlc khle khll khlo khlr khob khoc khoe khok khol khor khou khrk khro khrr khub khuk khur kkbb kkbe kkbl kkbo kkbr kkcb kkch kkck kkcl kkco kkcr kkfr kkhb kkhh kkhk kkhr kkkk kklb kklc kklf kklh kkll kklo kkob kkoh kkol kkoo kkor kkrb kkrc kkre kkrf kkrh kkrk kkrl kkro kkrr kkuu klbb klbc klbe klbf klbl klbu klcb klcc klce klch klck klcl klcr kleb klec klee klef klek kleo kler klfc klfe klff klfh klhb klhc klkc klkk klkl klko klkr kllb kllc klle kllk klob kloc kloe kloh klok klol kloo klor klou klrc klrf klrk klrr klru klub klue kluf kluh kluk klur kluu kobb kobc kobe kobk kobo kobr kobu kocb kocf koch kock koel kofc kofe koff kofh kofk kofo kofu kohh kohl koho kohr kohu kokb kokc koke kokf kokh kokk koko kokr koku kolb kolc kole kolf kolk koll kolo kolr kolu koob kooc kook kool kooo koor koou korb korc kore korf kork korl koro korr koru koub koue koul kour kouu krbb krbe krbk krbl krbr krcb krcc krce krch krcl krco krcu kreb krec kree kref kreh krek kreo kreu krfc krfe krff krfo krhc krkc krke krkh krkk krko krkr krku krlc krle krlf krob kroc kroe krof kroh krok krol kroo kror krrb krrc krre krrf krrk krrl krro krrr kruc krue kruf kruh kruk krul krur kubb kubc kube kubo kubr kubu kucb kucc kuce kuch kuco kucr kuek kuel kueu kufc kuff kufo kufr kuhf kuhl kuhu kuke kukh kukk kukl kuku kulb kule kulf kulh kull kulo kulu kuok kuol kuoo kurb kure kurk kurl kuro kurr kuru kuub kuuk kuul kuur kuuu lbcc lblr lcbc lccc lcce lcer lcfc lcfr lchc lchr lcor lcrl le-u lebo lebu lece lech leck leco leef leek leel leer lefe leff lehe lehr lehu leke lekh lekk leko lele lell lelo lelu leoc leof leok leor leou lerc lere lerk lero leuc leuk leur lfcc lfhe lhec lhee lhhh lhor llcc llef lleu lllc llll lloc lloo lob- lobb lobe lobh lobo locc loce loch lock loco locu loeb loeu lofe loff lohe loho lohr lohu loke lokk loko lole loll lolo loob looc looe loof look lool loor lore lork loro loue louh louk loul lour louu lrfc lroc lrrc lrrr lube luce luch luck luef luer lufe luff lufu luhe luhu luke lukh luko lule lull lulu luoh lure lurk luuk o-eo obbo obec obel ober obkb oble oblu oboe obok obol obor obre obrh obro obuh ocbc occc oce ocee ocef oche ocke oclc ocre ocrl ocro ocrr ocul ocur oec- oecc oeec oele oere oeuf ofcl ofcr ofek ofer off- offc offe offh offo offr offu ofor ofre ohbe ohcc ohee ohel oher ohho ohob ohoh ohok ohre okcu okeh oker okko oklo okok okol okor okre okro okul okur olbo olcc ole- olef oleh oleo oler olfe olle ollo olof olor olur oobe oocr ooer ooff ooho ooku oolo oooh oooo oore orbb orbe orbo orbu orce orch orco ore- oreb orec oreh orek orel oreo orer orfe orff orfu orhe orke orko orle orlo orlu oro- oroe orof orok oror orro orub oucc ouch ouer oufc oufe ouff oule oulk oulu our- oure ouro ouu- rbbb rbbr rbcl rble rboh rcbc rcbo rccb rccc rcfc rchb rcle rebb rebe rebk rebo rebu recc rece rech reck recr recu reeb reef reek reel refe reff refl refr refu rehb rehe reke reko relb rele rell relo reof reol reou rere rero reru reue reuf reuk reul reuu rfef rffc rffl rhce rheb rhee rheo rhob rhoc rhoh rhue rkkf rlee rlef rleu rob- robb robe robo robu rocc roce roch rock roco roel roer rofc rofe roff rofl rofo rohe rohl rohr rohu roke rokh rokk roko rokr roku role rolf rolk roll rolo roob roof rook rool roor rorc rore rork roro roru roub roue rouf rouh rouk roul rrfc rrle rrrr rubb rube rubu ruce ruch ruck ruel ruer rufc rufe ruff rufo ruhe ruhh ruhl ruhr ruke rukh rukk ruku rule rulk rull rulo ruok rurc rure ruro ruru ubbe ubbo ubek uber uble ublo uboc ucbc ucel ucfb uche ucho ucrc uele uell ufcu ufel ufer uffe ufuk uhcl uher uhle uhoh uhok uhuh ukcc ukek ukeu ukko ukok ukrc ukur ulbc ulcc ulch ulco uleb ulee ulek uleo ulfe ulle ullo ullr ulo- uloc uluk ulul uocc uofl uofo uoke uolc uor- uore urbe urch ure- ureh urfe urff urho urke urle uro- urok urol uroo urre urrh uruk urur uulu uuoc uuuu