-ol b-u bbb bbc bbd bbl bbo bbr bbu bcb bcc bcd bcl bco bcr bcu bdb bdc bdd bdl bdo bdr bdu blb blc bld bll blo blr blu bob boc bod bol boo bor bou brb brd brl bro brr bru bub buc bud bul buo bur buu c-- cbb cbc cbd cbl cbo cbr cbu ccb ccc ccd ccl cco ccr ccu cdb cdc cdd cdl cdo cdr cdu cl- clb clc cld cll clo clr clu co- cob coc cod col coo cor cou crb crc crd crl cro crr cru cub cuc cud cul cuo cur cuu dbb dbc dbd dbl dbo dbr dbu dcb dcc dcd dcl dco dcr dcu ddb ddc ddd ddl ddo ddr ddu dl- dlb dlc dld dll dlo dlr dlu dob doc dod dol doo dor dou drb drc drd drl dro drr dru dub duc dud dul duo dur lbb lbc lbd lbl lbo lbr lbu lcb lcc lcd lcl lco lcr lcu ldb ldc ldd ldl ldo ldr ldu llb llc lld lll llo llr llu lob loc lod lol loo lor lou lrb lrc lrd lro lrr lru lub luc lud lul luo lur luu ob- obb obc obd obl obo obr obu oc- ocb occ ocd ocl oco ocr ocu odb odc odd odl odo odr odu olb olc old oll olo olu oo- oob ooc ood ool ooo oor or- orb orc ord orl oro orr oru ou- ouc oud oul ouo our rbb rbc rbd rbl rbo rbr rbu rcb rcc rcd rcl rco rcr rcu rdb rdc rdd rdl rdo rdr rdu rlc rld rll rlo rlr rlu rob roc rod rol roo ror rou rrb rrc rrd rrl rrr rru rub ruc rud ruo rur ruu ubb ubc ubl ubo ubr ubu ucb ucc ucd ucl uco ucr ucu udb udc udd udl udo udr udu ulb ulc uld ull ulo ulr ulu uob uoc uod uol uoo uor ur- urb urc urd url uro urr uru uuc uur uuu

bbbb bbdd bbdo bblb bbrc bcbc bccc bccl bcor bcru bcuc bd-r bdbc bddc blcu bldc bldr blob bloc blod bloo blou blrc blub blud blur bobb bobo bobu boco bocu bodb bodo bodu bold boll bolo bolu boob booc bood bool boor bor- bord boro borr boru boud boul bour brcb brdo brob broc brod brol broo bror brou brrr bruc brud bubb bubo bubu bucc buco bucu budb budd budl budo budu bulb buld bull bulu buol bur- burb burd burl buro burr buru c-bo c-cd cbbc cbcc cbcl cbcr cbcu cbdb cbdc cbdo cblb cblc cbol cbrd cbrl ccbc cccb cccc cccl cccu ccdc ccdr cclc ccob ccoc ccod ccrc ccrl ccuc cd-r cddb cddl cddr clcd cldc cldr clob clod cloo clor clou clrd clro club clud cobb cobo cobu coco cocu codd codl col- colb cold coll colo colu coob cood cool cor- corb corc cord corl coro corr coub coud coul cour crbc crbu crcc crcr crdc crob croc crod crol croo cror crub crud cub- cubb cucc culb culc culd cull culo curb curd curl curo curr d-bo dbcc dcbc dccb dccc dccl dccu dcdb dddd ddlc ddoc ddrc ddub dlbd dlco dobb dobl dobu doco docu dod- dodd dodo dold doll dolo dolu doob dood dool door dorc dord doro dorr doru doub douc doud doul dour drbc drob drod drol drou drub druu dub- dubb dubc dubu duco dudd dudo dudu dulc dull dulo dulu duo- duro duru duul duur lbcc lblr lcbc lccc lcdd lcdr lcor lcrd lcrl llcc lldb lldc lllc llll lloc llod lloo llud lob- lobb lobo locc loco locu lold loll lolo loob looc lood lool loor lord loro loud loul lour louu lrdd lroc lrrc lrrr ludd ludo lull lulu lurd obbo oblu obol obor obro ocbc occc oclc ocrl ocro ocrr ocul ocur odbo oddd odoo odor odou odrl odur olbo olcc oldb ollo olor olur oocr oold oolo oooo oord orbb orbo orbu orco ordo ordu orlo orlu oro- oror orro orub oucc oudc ould oulu our- ouro ouu- rbbb rbbr rbcl rcbc rcbo rccb rccc rcdc rcrd rdoc rob- robb robo robu rocc roco rodd rodo rold roll rolo roob rood rool roor rorc roro roru roub roud roul rrrr rubb rubu rudd rudl rudo rull rulo rurc rurd ruro ruru ruud ubbo ublo uboc ubod ubud ucbc ucdc ucdd ucrc udbc udoo ulbc ulcc ulco ullo ullr ulo- uloc ulul uocc uolc uor- urdu uro- urol uroo urur uulu uuoc uuuu

bdoor blood bloor blorb blurb blurr bo-bo boboc bobr bocor bodd- bodoc bodor boldo boldu boll- bollo bollu booco boold boord booru borbo bordo boro- borod boroo borou borro borul boudu boul- boulc bould boulo bourd brobo brodd brodo broll brolo brood brool broud brrrr brud- brull bucco bucur buddu budoc budur bulb- bull- bulou bulul buord burcu burol buroo burro burru buruc burud c-cor ccccc ccrcl clodo cloob cloor cloud clour clubb clurr co-bo co-co cobol cocc- cocco cocol cocur codco codo codru coll- colld collo colo- color colur coold coolo coord corbo corbu corlu coro- corod corol corrl couco could coull courb courd courl couru croco crodo croll crood crool croud croul crudo crull cruor cubo- cubub cullu culur cuoco curll curlo curlu curro d-cru d-loc d-rod ddddd do-do do-ol dobro dodol dodoo dodro dollo dollu dolor doodo dorud doull douro drbob drobo droll drood drool droul dub-l dubbo dubuc dubul ducor duddo dudou duduc dullu duroc lobbo lobo- lobor locdb loco- locro loddo lodro lollo lolol loobu loord lourd louro lubur lucur luddu luluc lulul o-r-b obodo obolo oboro obudu occur ocllo ocr-b ocul- oculo oddur odolo odoul odour odudu oduro ollur olord olour ooooo ordoc ordro orduc orobo oroco orodo orold orolu oruro oullo ouoro ourol r-co- rcolo rdllr ro-ro robbo robo- robor robur rocco rocor rocou rodbo rodl rodoc rodor rollc rollo roodu rorbu roull rubor rucul rullo u-dub ubobo udol udoll ullur ululu uluru uroob