-er -ic b-u bbb bbc bbe bbf bbi bbr bbu bcb bcc bce bcf bci bcr bcu be- beb bec bee bef bei ber beu bfb bfc bfe bff bfi bfr bfu bi- bib bic bie bif bii bir biu brb bre brf bri brr bru bub buc bue buf bui bur buu c-- cbb cbc cbe cbf cbi cbr cbu ccb ccc cce ccf cci ccr ccu ce- ceb cec cee cef cei cer ceu cfb cfc cfe cff cfi cfr cfu ci- cib cic cie cif cii cir ciu crb crc cre crf cri crr cru cub cuc cue cuf cui cur cuu ebb ebc ebe ebf ebi ebr ebu ec- ecb ecc ece ecf eci ecr ecu eeb eec eee eef eer ef- efb efc efe eff efi efr eib eic eie eif eii eir eiu erb erc ere erf eri err eru eu- eub euc eue euf eui eur fbb fbc fbe fbf fbi fbr fbu fcb fcc fce fcf fci fcr fcu feb fec fee fef fei fer feu ffc ffe fff ffi ffr ffu fib fic fie fif fii fir fiu frb frc fre frf fri frr fru fub fue fuf fui fur fuu i-f ibb ibc ibe ibf ibi ibr ibu icb icc ice icf ici icr icu ie- iec iee ief iei ier ifb ifc ife iff ifi ifr ifu iib iic iie iif iii iir iiu ir- irb irc ire irf iri irr iru iu- iub iuc iue iui iur rbb rbc rbe rbf rbi rbr rbu rcb rcc rce rcf rci rcr rcu re- reb rec ree ref rei rer reu rfb rfc rfe rff rfi rfr rfu rib ric rie rif rii rir rrb rrc rrf rri rrr rru rub ruc rue ruf rui rur ruu ubb ubc ube ubf ubi ubr ubu ucb ucc uce ucf uci ucr ucu ueb uec uee uef uei uer ufc ufe uff ufi ufr ufu uib uic uie uif uii uir uiu ur- urb urc ure urf uri urr uru uuc uue uur uuu

bbbb bbci bbeb bbfc bbrc bcbc bccc bcci bcec bcer bcfc bcie bcru bcuc bebb bebe bebi beci becu beeb beef beer befe beff beic beir berc bere beri berr beru beur bibb bibe bibi bicc bice bici bieb bief bier bieu biff bifi birb bire biri birr biru brcb brce breb brec bree bref brei brer brfc brfu bric brie brrr bruc brue bubb bube bubi bubu bucc buce buci bucu buer bueu bufc bufe buff bufr buic buie buif buir buiu bur- burb bure buri burr buru cbbc cbcc cbce cbcr cbcu cbec cbee cbef cber cbfb cbfc cbir cbre ccbc cccb cccc cccf ccci cccu ccee ccfc ccff ccfi ccic ccii ccir ccrc ccre ccrf ccri ccuc cebu cec- cece ceci ceeb ceec cef- cefc cer- cerc cere cerf ceri ceui cfbc cfbr cfcb cfcf cffb cffr cfrb cfre cibc cibe cibi cicc cici cicr cicu ciee cier cife ciff ciii cirb circ cire ciri cirr ciuc crbc crbu crcc crce crcr cre- creb crec cree crei creu crfc crib cric crie crif criu crub crue cub- cubb cube cubi cucc cuce cuci cuer cufc cuff cufi cui- cuif cuir curb cure curf curi curr ebbc ebbr ebcc eber ebfc ebic ebru ebur ecbc ecbe eccb eccc ecce ecci ecef ecfc ecfr ecib ecrc ecrf ecri ecrr ecru eeee eefe eerc efbr effi efic eiec eiei eier eire erbb erbe ercc erce ereb erec erei erer erfc eric erie eriu errc erre erub eruc erur eubc eubi euer eufc eufi eur- eurc eure fccf fcic fcii fece feeb feer fefc fefe feff fefi feie feir ferb ferc fere ferr feru ffcc ffee ffff ffii ffrr fibe ficc fice fiec fief fier fifc fife fiff fifi fiii fire frbc frcc free frei frfc frib fric frie frub frue fubb fubu fuc- fuci fufc fuff fufu fuir fur- fure furi furr i-be ibec ibfi ibie ibrc ibri icbc iccb iccc iccf icci iccr iccu icec icee icef icer icfb icrc icre icrf icrr icru icub icue iecc ieie iere ieri ifbb ifer ific ifrb ifrf ifri iiie iiii iirc iiuc irbe ircc ircu iree irer irfe irfu iri- iric irie irrc irre irri iucc iuce iuef iuiu rbbb rbbr rcbc rccb rccc rcfc rcic rebb rebe rebu recc rece reci recr recu reeb reef refe reff refi refr refu reif reii reir reiu rere reri reru reue reuf reuu rfef rffc rfic rib- ribe ribu ricc rice rief rier rieu rife riff rifu riif rire riri riue rrfc rrif rrrr rubb rube rubi rubu ruce ruci ruer rufc rufe ruff ruif rurc rure ruri ruru u-ie ubbe ubbi uber ubic ubii ubir ucbc ucci ucfb ucrc ueir ufcu ufer uffe uirr urbe urbi urci ure- urfe urff urfi urib uric urie urif uriu urre urri urur uuri uuuu

bbbee be-er beber bebic becic beciu becue beebe beeri beffe befie befur beibi beice beier beife beire berbe bercu berec berei berie beriu berre berri berru beuer beure bibbe biber bibic bibie bibri bicer biebe biefe biere bieri bifer biffi birie birur biure brebu brece breef breer brere breu- bribe brice briec brief brier brifu brrrr bruce bruer bruff bruiu bruri bubbe buber bucci bucic bucie bucur buffe buffi buici buire burcu burfi buric burie burri burru buruc cbeff ccccc cccii ccifc cciii cebec ceber ceci- cecie cecri ceere cefcu cerbu cerc- cerce cerci cerec cerer ceric cerie cerre cfu-e ciber cibir cicer ciceu cifer circe ciric cirie cirr- cirri crebe crece creer creu- creue cribb cribe crice crier cruce crufe cruif crure cubbe cubeb cuber cubi- cubic cubie cubub cucei cucui cufeu cuffe cufic cufre cuire curbi curce curer curic curie curre curri ebber ebbie ebibe ebure eeeee eerie efere eferi effer effie efrei efuru eirie erbbe erber erere ericb erice erier eriff eriic eubie eucre eufic euric eurre fbcci febre feere feier ferce feric ferie ferr- ferre ferri feuer fiber fibr- fibre fieee fieri fifer fifie firee