bbbb bbci bbeb bbpr bbrc bcbc bcbp bccc bcci bcec bcer bcie bcor bcpp bcvo bebb bebe bebi bebo beci beeb beep beer beic beir beo- beor bepo berc bere beri bero berr bevo bibb bibe bibi bibo bicc bice bici bico bieb bier bio- bioc bioi bipp birb bire biri biro birr bive bivi bobb bobe bobi bobo boce boco boec boee boeo boep boer boi- boie boii boob booc booe boop boor bope bopp bor- bore bori boro borr bove bovi bovo bpcp bpoe bprc brcb brce breb brec bree brei breo brep brer brev bric brie brio brob broc broe broo bror brrr brvi c-bo cbbc cbcc cbce cbcp cbcr cbec cbee cber cbir cbpc cbpp cbre cbvb cbve cbvp cbvr ccbc cccb cccc ccci cccp cccv ccee ccic ccii ccip ccir cciv ccob ccoc ccpe ccpp ccpr ccrc ccre ccri ccrp ccvi ccvo cebp cec- cece ceci ceco cecp ceeb ceec ceip ceop ceor cepc cepe cepo cepp cepr cer- cerc cere ceri cero cerp cevo cibc cibe cibi cibo cicc cici cico cicr ciee cier ciii ciob cior cipo cipp cirb circ cire ciri ciro cirr civc cive civo cobb cobe cobi cobo coce coco cocp coep coip coir coob coop cope copi copo copp copr cor- corb corc core cori coro corp corr cove covo cpbc cpce cpeb cpep cper cpic cpio cpre cpri cpvc crbc crcc crce crcr cre- creb crec cree crei creo crep crib cric crie crip crob croc croe croo crop cror crpc cvcc cver cvii cvrr ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebpo ebro ecbc ecbe eccb eccc ecce ecci ecco ecib ecip eco- ecop ecpp ecrc ecri ecrr ecrv eeee eeoc eerc eero eico eiec eiei eier eipo eipr eire eoir eore eori epcc epci epec epee eper epi- epic epie epip epoc epor eppc eppo eppp eprb epro eprp erbb erbe ercc erce ercp ereb erec erei erer erev eric erie erio erob eroc eroe eroi eroo erpe errc erre erro erve ervi ever evie evir evoe evoo evop evre i-be ibec ibie ibrc ibri ibro icbc icbp iccb iccc icci icco iccp iccr icec icee icer icoc icor icpc icpo icrc icre icrr iecc ieie ieio iere ieri iiie iiii iiio iioi iioo iiop iirc iobi ioci iocp ioee ioii ioio iooi iooo iore iori ipcc ipce ipec iper ipie ipoe ipop ippc ippo ippr ipri irbe irbp ircc iree irer iri- iric irie irio irip irob iroc irop irov irpc irpe irrc irre irri ivbv ivec iver ivic ivie ivor ivre o-eo obbo obec ober obie oboe oboi obor obre obri obro obvi ocbc occc occi oce ocee ocpp ocre ocro ocrr oec- oecc oeec oere oevp oici oier oiii oipc oire oobe oobi oocr ooer oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orbb orbe orbi orbo orce orci orco ore- oreb orec oreo orer ori- oric orie orio oro- oroe oror orpc orpe orpi orri orro orve orvr ovee over ovi- ovie ovo- ovoo ovpp ovre pbcc pboc pcbc pccc pcce pcep pcer pcip pcoe pcpb pcpp pcrc pcre pece peci peco pecr peec peep peer peev peio peip peir peor pepe pepi pepo per- perc pere peri pero perp perr perv pibb pibi picc pice pici pico picr piep pier piip piob pipe pipi pipo pipp pirc pire piri piro pirr pivo pobo poce poco poer poio poop poor pop- popc pope popi popo popp porb porc pore pori poro porr povo ppbv ppcc ppci pper ppib ppic ppie pppo pppp pprc prbc prcc prcp pre- preb prec pree prep prev pri- prie prii priv pro- prob proc proe proo prop prov prri pvco rbbb rbbr rcbc rcbo rccb rccc rcep rcic rcpi rcpo rcvr rebb rebe rebo recc rece reci recp recr reeb reep reev reii reir reop repe repi repo repp repr rere reri rero reve revi revo revp rib- ribe ribo ricc rice rico riep rier ripe ripi ripp ripr rire riri rive rivo rivp rob- robb robe robi robo rocc roce roco roer roev roio roir roob rooi roop roor rope ropo rorc rore rori roro rove rovi rovo rpii rpob rpoe rrrr rv-c rver vbcc vcbi vcci vecc veci veep veer veie veii veip veir veor vepe vepr ver- verb vere veri vero veve vevi vevo vibe vic- vice vici vico vier viii vipr virb virc vire viri viro virr vive vivi vivo voce voei voer voic voie voio voip voir vooc voor vor- vore vori voro vpro vrci vreo vrio vroc vver vvob vvpb vvvv