-ol b-u bbb bbk bbl bbo bbr bbt bbu bkb bkk bkl bko bkr bkt blb blk bll blo blr blt blu bob bok bol boo bor bot bou brb brk brl bro brr brt bru btb btk btl bto btr btt btu bub buk bul buo bur but buu k-t kbb kbk kbl kbo kbr kbu kkb kkk kkl kkr kkt kku kl- klb klo klr klt klu kob kok kol koo kor kot kou krk krl kro krr krt kru ktb ktk ktl kto ktr ktt ktu kub kuk kul kur kut kuu lbb lbk lbl lbo lbr lbt lbu lkb lkl lkr lkt llb llk lll llo llr llt llu lob lok lol loo lor lot lou lrb lrk lro lrr lrt lru ltb ltk ltl lto ltr ltt ltu lub luk lul luo lur lut luu ob- obb obk obl obo obr obt obu okb okk okl oko okr oku olb olk oll olo olt olu oo- oob ook ool ooo oor oot or- orb ork orl oro orr ort oru ot- otb otk otl oto otr ott otu ou- ouk oul ouo our out rbb rbk rbl rbo rbr rbt rbu rkb rkk rko rkt rku rll rlo rlr rlt rlu rob rok rol roo ror rot rou rrb rrk rrl rrr rrt rru rtb rtk rtl rto rtr rtt rtu rub ruk ruo rur rut ruu tbb tbk tbl tbo tbr tbt tbu tkb tkk tkl tko tkr tkt tlk tll tlo tlr tlt tlu to- tob tok tol too tor tot tou trb trk trl tro trr trt tru ttb ttk ttl tto ttr ttt ttu tub tuk tul tuo tur tut tuu ubb ubk ubl ubo ubr ubt ubu ukb ukk ukl ukr uku ulb ulk ull ulo ulr ult ulu uob uok uol uoo uor uot ur- urb urk url uro urr urt uru utb utk utl uto utr utt utu uur uut uuu

bbbb bblb blbt blkb blob blok bloo blot blou blub blur blut bobb bobo bobu boko boku bolk boll bolo bolt bolu boob book bool boor boot bor- bork boro borr bort boru botb boto bott bouk boul bour bout brkb brob brok brol broo bror brot brou brrr brut btob btor btrt bttb bubb bubo bubu bukk buko buku bulb bulk bull bult bulu buol bur- burb burk burl buro burr burt buru but- buto butt k-lo kbbb kbbk kbbl kbbo kbbr kbbt kbbu kbkb kbkk kbkl kbko kbkr kblb kbll kblo kblr kblt kblu kbob kbok kboo kbot kbrb kbrk kbrl kbro kbrt kbru kbtb kbtk kbtl kbto kbtr kbtt kbub kbuk kbul kbur kbut kbuu kkbb kkbl kkbo kkbr kkbt kkkk kklb kkll kklo kkob kkol kkoo kkor kkot kkrb kkrk kkrl kkro kkrr kkrt kktk kktl kktu kkut kkuu klbb klbl klbt klbu klkk klkl klko klkr kllb kllk klob klok klol kloo klor klou klrk klrr klru kltk klto kltr kltt klub kluk klur kluu kobb kobk kobo kobr kobu kokb kokk koko kokr koku kolb kolk koll kolo kolr kolt kolu koob kook kool kooo koor koot koou korb kork korl koro korr kort koru kotb kotk koto kotr kott kotu koub koul kour kout kouu krbb krbk krbl krbr krbt krkk krko krkr krku krlt krob krok krol kroo kror krrb krrk krrl krro krrr krrt krtk krto krtr kruk krul krur ktbb ktbl ktbr ktbt ktbu ktkb ktkk ktko ktkr ktkt ktku ktlb ktlk ktlo ktlr ktlt ktlu ktob ktok ktoo ktor ktot ktrb ktrk ktrl ktro ktrr ktrt ktru kttk ktto kttr kttt kttu ktub ktul kubb kubo kubr kubu kukk kukl kuku kulb kull kulo kult kulu kuok kuol kuoo kurb kurk kurl kuro kurr kurt kuru kuto kutr kutt kutu kuub kuuk kuul kuur kuuu lblr lbrt llll lloo lob- lobb lobo lokk loko loll lolo loob look lool loor loot lork loro lotl loto lotr lott louk loul lour lout louu lrrr ltbl lttr luko lull lulu lurk lurt luuk obbo obkb oblu obok obol obor obot obro okko oklo okok okol okor okot okro okto okul okur olbo ollo olor olot oltu olur ooku oolo oooo oort ootb orbb orbo orbu orko orlo orlu oro- orok oror orot orro orto orub oto- otok otoo otor otro otto ottu otur oulk oulu our- ouro ourt out- outb outo ouu- rbbb rbbr rob- robb robo robt robu rokk roko rokr roku rolk roll rolo rolt roob rook rool roor root rork roro rort roru rotk rotl roto rotr rott roub rouk roul rout rrrr rtlt rubb rubu rukk ruku rulk rull rulo ruok ruro ruru rutl ruto rutt rutu tbrb tkol tobo tobt tobu toko toku tol- tolk toll tolo tolt tolu took tool toor toot tork toro torr tort toru toto totr tott touk toul tour tout troo trot trou trtr trub truk trut truu ttbb tttt ttul tubb tubo tubr tubu tuko tulk tull tulo tulu tuor turb turk turo turr turt turu tutl tuto tutt tutu tuuo ubbo ublo ukko ukok ukur ullo ullr ulo- ulto ultt uluk ulul uor- uro- urok urol uroo uruk urur urut utor utto uttu uulu uuuu

b-r-k bbook blook bloor blorb blort bloto blott blout blurb blurr blurt bluto bo-bo bobko bobok bobr bokko bokok bokor bolko boll- bollo bollu bolok bolto boluk booko boort booru borbo borko borku boro- borok boroo borot borou borro borul borut botok botou botro bottu bouko boul- boulo boult bouto brobo broll brolo brook brool broto brouk brout brrrr brull btr-t bukk- bukor bulb- bull- bulok bulou bulto bulul bulut buolt burol buroo burro burru burtt buruk burut butko buto- butor butot butou butuo butut k-rob k-t-b kbool kloot klout ko-ko kobol kobru kobuk kobul kokko kokor kokot kokou kokur kokut kolbu kollo kollu kolob kolol kolot kolur kolut koolu kooru korbo korku korol koror korro kortu koruk kotor kotto kottu kotur koulo kouto kroll kroot krout krtok krull kruto kubok kubul kukko kukok kukur kullo kullu kulob kulor kulto kulul