-ol b-u bbb bbc bbl bbn bbo bbr bbu bcb bcc bcl bcn bco bcr bcu blb blc bll bln blo blr blu bnb bnc bnl bnn bno bnr bnu bob boc bol bon boo bor bou brb brl brn bro brr bru bub buc bul bun buo bur buu c-- cbb cbc cbl cbn cbo cbr cbu ccb ccc ccl ccn cco ccr ccu cl- clb clc cll cln clo clr clu cn- cnb cnc cnl cnn cno cnr cnu co- cob coc col con coo cor cou crb crc crl crn cro crr cru cub cuc cul cun cuo cur cuu lbb lbc lbl lbo lbr lbu lcb lcc lcl lcn lco lcr lcu llb llc lll lln llo llr llu lnb lnc lnl lnn lno lnr lnu lob loc lol lon loo lor lou lrb lrc lrn lro lrr lru lub luc lul lun luo lur luu nbb nbc nbl nbn nbo nbr nbu ncb ncc ncl ncn nco ncr ncu nlb nlc nll nln nlo nlr nlu nnb nnc nnl nnn nno nnu no- nob noc nol non noo nor nou nrb nrc nrl nrn nro nrr nru nub nuc nul nun nuo nur nuu ob- obb obc obl obn obo obr obu oc- ocb occ ocl ocn oco ocr ocu olb olc oll oln olo olu on- onb onc onl onn ono onr onu oo- oob ooc ool oon ooo oor or- orb orc orl orn oro orr oru ou- ouc oul oun ouo our rbb rbc rbl rbn rbo rbr rbu rcb rcc rcl rcn rco rcr rcu rlc rll rln rlo rlr rlu rnb rnc rnn rno rnr rnu rob roc rol ron roo ror rou rrb rrc rrl rrn rrr rru rub ruc run ruo rur ruu ubb ubc ubl ubn ubo ubr ubu ucb ucc ucl ucn uco ucr ucu ulb ulc ull uln ulo ulr ulu un- unb unc unl unn uno unr unu uob uoc uol uon uoo uor ur- urb urc url urn uro urr uru uuc uun uur uuu

bbbb bblb bbrc bcbc bccc bccl bcnu bcor bcru bcuc blcu blno blob bloc blon bloo blou blrc blub blur bnoc bnor bnrr bobb bobo bobu boco bocu boll boln bolo bolu bonc bonn bono bonu boob booc bool boon boor bor- born boro borr boru boul boun bour brcb brno brob broc brol bron broo bror brou brrr bruc brun bubb bubo bubu bucc buco bucu bulb bull bulu bunb bunn buno bunu buol buon bur- burb burl burn buro burr buru c-bo cbbc cbcc cbcl cbcn cbcr cbcu cblb cblc cbln cbol cbrl cbrn ccbc ccbn cccb cccc cccl cccu cclc ccnb ccnc ccnr ccnu ccob ccoc ccrc ccrl ccuc clob clon cloo clor clou clro club clun cnbc cnbl cnco cnrc cnrr cobb cobo cobu coco cocu col- colb coll coln colo colu con- conc conn cono coob cool coon cor- corb corc corl corn coro corr coub coul coun cour crbc crbu crcc crcr crob croc crol cron croo cror crub crun cub- cubb cucc cucn culb culc cull culo cuno cuon curb curl curn curo curr lbcc lblr lcbc lccc lcor lcrl llcc lllc llll lloc lloo lncr lob- lobb lobo locc locn loco locu loll lolo lono lonr loob looc lool loon loor lorn loro loul loun lour louu lroc lron lrrc lrrr lull lulu lunn luno nbbc nbbo nbcc nbco ncbc nccc nccn nccr nccu nclc ncln nclr ncnc ncoc ncor ncrc nlcc nlrb nnnn nobc nobo nobu nocl noco noll nolo non- nonn nono nonu noo- noob nool noon nooo noor nor- norb norc norn noro norr noul noun nour nrlb nroc nron nrrc nrrl nubc nubl nucu null nunc nunn nuno nuoc nuon nurc nurl nurn nurr nuru obbo oblu obol obon obor obro ocbc occc occn oclc ocon ocrl ocro ocrr ocul ocur olbo olcc ollo olon olor olur onc- onco onno onon onor onur oocr oolo oooo orbb orbo orbu orco orlo orlu ornc orno oro- oron oror orro orub oucc oulu oun- our- ourn ouro ouu- rbbb rbbr rbcl rcbc rcbo rccb rccc rcnl rcnr rcon rnbr rnco rob- robb robo robu rocc roco roll rolo ronc rono roob rool roon roor rorc roro roru roub roul roun rrrr rrun rubb rubu rull rulo runc runn runo rurc ruro ruru ruun ubbo ublo uboc ubon ucbc ucon ucrc ulbc ulcc ulco ullo ullr ulno ulo- uloc ulul uncc uncl unco unno unon unro uocc uolc uor- uro- urol uroo urun urur uulu uuno uuoc uuuu

bloor blorb blurb blurr bo-bo boboc bobr bocon bocor boll- bollo bollu bolno bolon bonon bonou booco boorn booru borbo born- borno bornu boro- boron boroo borou borro borul borun boul- boulc boulo bourn brobo broll brolo bronc bronn brool broon broun brrrr brull brunn bruno bruun bubon bucco bucur bulb- bull- bulou bulul bulun bunco bunun buono burcu burn- burol buron buroo burro burru buruc burun c-cor ccccc ccrcl cloob cloor clour clubb clurr cnnnn co-bo co-co cobol cocc- cocco cocol cocon cocur coll- collo colo- colon color colun colur concl conco concr connu cono- conob conon conor coolo corbo corbu corlu corno cornu coro- corol coron corrl corun couco coull courb courl couru croco croll crool croon croul croun crull cruor cubo- cubub cullu culur cunco cuoco curll curlo curlu curno curro l-ron lblnc lobbo lobo- lobon lobor loco- locon locro lollo lolol lonco loobu loron lorun louro lubno lubon lubun lubur lucun lucur luluc lulul lurun nnooo no-no nobob nobol nobuo non-u nonno noonu norbu norco noroc noron norro norun nu-nu nucor nullo nunon nunun nuoro nurlu nurun o-bon o-r-b oblon obolo oboro occur ocllo ocorn ocr-b ocul- oculo ollon ollur olour onco- oncol onnbc onoon onorn onour ooooo orcon orlon ornon orobo oroco orolu orono oruro oullo oulon oulun ouoro ourno ourol r-co- rcolo ro-ro robbo robo- robon robor robun robur rocco rocor rocou rollc rollo rolon ronco ronno rorbu roull rubon rubor rucul rullo rulon runcu