-er -ic b-u bbb bbc bbe bbi bbo bbr bbu bcb bcc bce bci bco bcr bcu be- beb bec bee bei beo ber beu bi- bib bic bie bii bio bir biu bob boc boe boi boo bor bou brb bre bri bro brr bru bub buc bue bui buo bur buu c-- cbb cbc cbe cbi cbo cbr cbu ccb ccc cce cci cco ccr ccu ce- ceb cec cee cei ceo cer ceu ci- cib cic cie cii cio cir ciu co- cob coc coe coi coo cor cou crb crc cre cri cro crr cru cub cuc cue cui cuo cur cuu ebb ebc ebe ebi ebo ebr ebu ec- ecb ecc ece eci eco ecr ecu eeb eec eee eeo eer eib eic eie eii eio eir eiu eo- eob eoc eoe eoi eoo eor eou erb erc ere eri ero err eru eu- eub euc eue eui eur ibb ibc ibe ibi ibo ibr ibu icb icc ice ici ico icr icu ie- iec iee iei ier iib iic iie iii iio iir iiu io- iob ioc ioe ioi ioo ior iou ir- irb irc ire iri iro irr iru iu- iub iuc iue iui iur o-i ob- obb obc obe obi obo obr obu oc- ocb occ oci oco ocr ocu oeb oec oee oei oeo oer oib oic oie oii oio oir oiu oo- oob ooc ooi ooo oor or- orb orc ore ori oro orr oru ou- ouc oue oui ouo our rbb rbc rbe rbi rbo rbr rbu rcb rcc rce rci rco rcr rcu re- reb rec ree rei reo rer reu rib ric rie rii rio rir rob roc roe roi roo ror rou rrb rrc rri rrr rru rub ruc rue rui ruo rur ruu ubb ubc ube ubi ubo ubr ubu ucb ucc uce uci uco ucr ucu ueb uec uee uei uer uib uic uie uii uio uir uiu uob uoc uoe uoo uor ur- urb urc ure uri uro urr uru uuc uue uur uuu

bbbb bbci bbeb bbrc bcbc bccc bcci bcec bcer bcie bcor bcru bcuc bebb bebe bebi bebo beci becu beeb beer beic beir beo- beor berc bere beri bero berr beru beur bibb bibe bibi bibo bicc bice bici bico bieb bier bieu bio- bioc bioi biou birb bire biri biro birr biru bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boer boi- boie boii boiu boob booc booe boor bor- bore bori boro borr boru boue bour brcb brce breb brec bree brei breo brer bric brie brio brob broc broe broo bror brou brrr bruc brue bubb bube bubi bubo bubu bucc buce buci buco bucu buer bueu buic buie buir buiu bur- burb bure buri buro burr buru c-bo cbbc cbcc cbce cbcr cbcu cbec cbee cber cbir cbre ccbc cccb cccc ccci cccu ccee ccic ccii ccir ccob ccoc ccrc ccre ccri ccuc cebu cec- cece ceci ceco ceeb ceec ceor ceou cer- cerc cere ceri cero ceui cibc cibe cibi cibo cicc cici cico cicr cicu ciee cier ciii ciob cior cirb circ cire ciri ciro cirr ciuc cobb cobe cobi cobo cobu coce coco cocu coir coob cor- corb corc core cori coro corr coub coue cour crbc crbu crcc crce crcr cre- creb crec cree crei creo creu crib cric crie criu crob croc croe croo cror crub crue cub- cubb cube cubi cucc cuce cuci cuer cui- cuir curb cure curi curo curr ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecci ecco ecib eco- ecou ecrc ecri ecrr ecru eeee eeoc eerc eero eico eiec eiei eier eiou eire eoir eore eori erbb erbe ercc erce ereb erec erei erer eric erie erio eriu erob eroc eroe eroi eroo errc erre erro erub eruc erur eubc eubi euer euoi eur- eurc eure euro i-be ibec ibie ibrc ibri ibro icbc iccb iccc icci icco iccr iccu icec icee icer icoc icor icrc icre icrr icru icub icue iecc ieie ieio iere ieri iiie iiii iiio iioi iioo iirc iiuc iobi ioci ioee ioii ioio iooi iooo iore iori irbe ircc ircu iree irer iri- iric irie irio irob iroc irrc irre irri iucc iuce iuiu o-eo obbo obec ober obie oboe oboi obor obre obri obro ocbc occc occi oce ocee ocre ocro ocrr ocur oec- oecc oeec oere oici oier oiii oire oobe oobi oocr ooer oooo oore orbb orbe orbi orbo orbu orce orci orco ore- oreb orec oreo orer ori- oric orie orio oro- oroe oror orri orro orub oucc ouer ouie ouii ouir our- oure ouro ouu- rbbb rbbr rcbc rcbo rccb rccc rcic rebb rebe rebo rebu recc rece reci recr recu reeb reii reir reiu reou rere reri rero reru reue reuu rib- ribe ribo ribu ricc rice rico rier rieu riou rire riri riue rob- robb robe robi robo robu rocc roce roco roer roio roir roiu roob rooi roor rorc rore rori roro roru roub roue rrrr rubb rube rubi rubu ruce ruci ruer rurc rure ruri ruro ruru u-ie ubbe ubbi ubbo uber ubic ubii ubir uboc ucbc ucci ucio ucrc ueir uirr uocc uor- uore urbe urbi urci ure- urib uric urie uriu uro- uroo urre urri urur uuoc uuri uuuu

bbbee be-er be-ro beber bebic becco becic beciu becue beebe beeri beibi beice beier beire beoci beoir beour berbe bercu berec berei berie berio beriu berob beroe beror berre berri berru beuer beure bibbe bibbo biber bibic bibie bibio bibri bicer biebe biere bieri bioci bioco biore bioue birie biroc birou birur biure bo-bo bobbi boboc bobr bobre bobri bocce bocci bocor boece boero boeur boibe boice boier boire boiro booce booco booer boore booru borbo borce borci borec boree borer boric borio boro- boroo borou borre borro bouce bouee bouer boure bouri brebu brece breer breo- breoc brere breu- bribe brice brico briec brier briou brobo