-ic -ol b-u bbb bbc bbi bbl bbo bbr bbu bcb bcc bci bcl bco bcr bcu bi- bib bic bii bil bio bir biu blb blc bli bll blo blr blu bob boc boi bol boo bor bou brb bri brl bro brr bru bub buc bui bul buo bur buu c-- cbb cbc cbi cbl cbo cbr cbu ccb ccc cci ccl cco ccr ccu ci- cib cic cii cil cio cir ciu cl- clb clc cli cll clo clr clu co- cob coc coi col coo cor cou crb crc cri crl cro crr cru cub cuc cui cul cuo cur cuu ibb ibc ibi ibl ibo ibr ibu icb icc ici icl ico icr icu iib iic iii iil iio iir iiu il- ilb ilc ili ill ilo ilr ilu io- iob ioc ioi iol ioo ior iou ir- irb irc iri irl iro irr iru iu- iub iuc iui iur lbb lbc lbi lbl lbo lbr lbu lcb lcc lci lcl lco lcr lcu lib lic lii lil lio lir liu llb llc lli lll llo llr llu lob loc loi lol loo lor lou lrb lrc lri lro lrr lru lub luc lui lul luo lur luu o-i ob- obb obc obi obl obo obr obu oc- ocb occ oci ocl oco ocr ocu oib oic oii oil oio oir oiu olb olc oli oll olo olu oo- oob ooc ooi ool ooo oor or- orb orc ori orl oro orr oru ou- ouc oui oul ouo our rbb rbc rbi rbl rbo rbr rbu rcb rcc rci rcl rco rcr rcu rib ric rii ril rio rir rlc rli rll rlo rlr rlu rob roc roi rol roo ror rou rrb rrc rri rrl rrr rru rub ruc rui ruo rur ruu ubb ubc ubi ubl ubo ubr ubu ucb ucc uci ucl uco ucr ucu uib uic uii uil uio uir uiu ulb ulc uli ull ulo ulr ulu uob uoc uol uoo uor ur- urb urc uri url uro urr uru uuc uur uuu

bbbb bbci bblb bbrc bcbc bccc bcci bccl bcor bcru bcuc bibb bibi bibl bibo bicc bici bico bili bill bilo bilu bio- bioc bioi biol biou birb biri birl biro birr biru blcu blic blio blir blob bloc bloo blou blrc blub blur bobb bobi bobo bobu boco bocu boi- boii boil boiu boli boll bolo bolu boob booc bool boor bor- bori boro borr boru boul bour brcb bric bril brio brob broc brol broo bror brou brrr bruc bubb bubi bubo bubu bucc buci buco bucu buic buir buiu bulb buli bull bulu buol bur- burb buri burl buro burr buru c-bo cbbc cbcc cbcl cbcr cbcu cbir cblb cblc cbol cbrl ccbc cccb cccc ccci cccl cccu ccic ccii ccil ccir cclc ccli ccob ccoc ccrc ccri ccrl ccuc cibc cibi cibo cicc cici cico cicr cicu ciii cili cill cilo ciob cior cirb circ ciri cirl ciro cirr ciuc clib clic clii clio clir clob cloo clor clou clri clro club cobb cobi cobo cobu coco cocu coil coir col- colb coli coll colo colu coob cool cor- corb corc cori corl coro corr coub coul cour crbc crbu crcc crcr crib cric criu crob croc crol croo cror crub cub- cubb cubi cucc cuci cui- cuil cuir culb culc cull culo curb curi curl curo curr ibrc ibri ibro icbc iccb iccc icci iccl icco iccr iccu icll iclr icoc icor icrc icrr icru icub iiii iiio iioi iioo iirc iiuc ilbc ilic ilio ilir ill- illi illo iloc iloo iobi ioci ioii ioio iolo iooi iooo iori ircc ircu iri- iric iril irio irlb irob iroc irrc irri irul iucc iuiu lbcc lblr lcbc lccc lcor lcrl libc libo libr libu lico licr liii liir lilb lili lill lilo lilu lio- lior lirc liri lirl liro lirr liru llcc lllc llll lloc lloo lob- lobb lobi lobo locc loci loco locu loic loir loiu loli loll lolo loob looc lool loor lori loro loui loul lour louu lric lroc lroi lrrc lrrr luci luli lull lulu luri obbo oblu oboi obol obor obri obro ocbc occc occi oclc ocrl ocro ocrr ocul ocur oici oiii olbo olcc olib olic olio olli ollo olor olur oobi oocr oolo oooo orbb orbi orbo orbu orci orco ori- oric oril orio orlo orlu oro- oror orri orro orub oucc ouii ouir oulu our- ouro ouu- rbbb rbbr rbcl rcbc rcbo rccb rccc rcic rib- ribo ribu ricc rico rill rilo rilu riol riou riri rob- robb robi robo robu rocc roco roil roio roir roiu roll rolo roob rooi rool roor rorc rori roro roru roub roul rrrr rubb rubi rubu ruci rull rulo rurc ruri ruro ruru ubbi ubbo ubic ubii ubir ubli ublo uboc ucbc ucci ucil ucio ucrc uirr ulbc ulcc ulco ulic ulli ullo ullr ulo- uloc ulul uocc uolc uor- urbi urci urib uric uriu uro- urol uroo urri urur uulu uuoc uuri uuuu

bi-lo bibbo bibic bibio bibri bicol bilbi bilbo bili- bilic billi billo billu biloc bioci bioco bioul biroc birol birou birur bloor blorb blurb blurr bo-bo bobbi boboc bobr bobri bocci bocor boilo boiro bolic boll- bolli bollo bollu booco booru borbo borci boric borio boro- boroo borou borro borul boul- boulc bouli boulo bouri brico brill briou brobo broil broll brolo brool brrrr bruiu brull bruri bucci bucco bucic bucur buici bulb- bulbi bulic buliu bull- bulli bulou bulul burcu buric burio burli burol buroo burri burro burru buruc c-cor ccccc cccii cccli cciii cclii ccrcl cibil cibir cibol cili- cilic cilli circo ciric ciril cirio cirr- cirri cirro cloi- cloob cloor clour clubb clurr co-bo co-co cobol cocc- cocci cocco cocio cocir cociu cocol cocur coill coiro coli- colic coll- colli collo colo- color colur cooli coolo corbi corbo corbu corio corlu coro- coroi corol corri corrl couco coull courb couri courl couru cribb cribo crio- croci croco croil croll crool croul