bbbb bbci bbdd bbeb bbfc bbrc bcbc bccc bcci bcde bcec bcer bcfc bcie bcru bcuc bd-r bdbc bddc bdii bduf bebb bebe bebi beci becu bede bedi bedu beeb beed beef beer befe beff beic beir berc berd bere beri berr beru beur bibb bibe bibi bicc bice bici bide bidi bidr bidu bieb bied bief bier bieu biff bifi birb bird bire biri birr biru brcb brce breb brec bred bree bref brei brer brfc brfu bric brid brie brrr bruc brud brue bubb bube bubi bubu bucc buce buci bucu budb budd bude budi budu buer bueu bufc bufe buff bufr buic buid buie buif buir buiu bur- burb burd bure buri burr buru c-cd cbbc cbcc cbce cbcr cbcu cbdb cbdc cbdi cbec cbee cbef cber cbfb cbfc cbid cbir cbrd cbre ccbc cccb cccc cccf ccci cccu ccdc ccdf ccdi ccdr cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccrc ccre ccrf ccri ccuc cd-e cd-r cdbf cddb cddr cdec cdef cder cdfe cdic cdii cdre cebu cec- cece ceci cedd cede cedi cedu ceeb ceec cef- cefc cer- cerc cerd cere cerf ceri ceui cfbc cfbr cfcb cfcf cffb cffr cfrb cfre cibc cibe cibi cicc cici cicr cicu cidc cide cidi cidr ciee cier cife ciff ciid ciii cirb circ cire ciri cirr ciuc crbc crbu crcc crce crcr crdc cre- creb crec cred cree crei creu crfc crib cric crie crif criu crub crud crue cub- cubb cube cubi cucc cuce cuci cude cudi cued cuer cufc cuff cufi cui- cuif cuir curb curd cure curf curi curr dbcc dbfc dcbc dccb dccc dcci dccu dcdb dcfc dcii dddd ddie ddrc ddre ddub debe debi debu dec- decc decd dece deci dedd dede dedi dedu deeb deed deef deer defe deff defi deid deie deif deir der- derb derc dere derf deri derr deue deur dfcc dfcu dfer dfrf dfri dibb dibe dice dici dide didi didu dieb died dief dier dieu dif- diff diii dird dire dirr drbc dred dree dref drei drfc drib dric drie drif drub drue drui druu dub- dubb dubc dube dubu duce dudd dude dudu duer dufc duff dufu duid duif duir dure duri duru duur ebbc ebbr ebcc ebed eber ebfc ebic ebid ebru ebur ecbc ecbe eccb eccc ecce ecci ecdc ecdf eced ecef ecfc ecfr ecib ecrc ecrf ecri ecrr ecru eddc edde eddi ede- edei eder edfu edie edif edru educ edur eede eedu eeee eefe eerc efbr effi efic eid- eide eidi eidr eidu eiec eied eiei eier eird eire erbb erbe ercc erce erde erdf erdi ereb erec ered erei erer erfc eric erie eriu errc erre erub eruc erur eubc eubi eucd eude euer eufc eufi eur- eurc eure fccf fcic fcii fdic fece fede fedi feeb feed feer fefc fefe feff fefi feid feie feir ferb ferc ferd fere ferr feru feud ffcc ffee ffff ffii ffrr fibe ficc fice fidc fide fidf fiec fief fier fifc fife fiff fifi fiii fire frbc frcc fred free frei frfc frib fric frid frie frub frue fubb fubu fuc- fuci fudd fude fudi fufc fuff fufu fuid fuir fur- fure furi furr i-be ibec ibed ibfi ibid ibie ibrc ibrd ibri icbc icbd iccb iccc iccf icci iccr iccu icdc icdd icde icec iced icee icef icer icfb icrc icre icrf icrr icru icub icue idbe idce idcr idec ided idee idef ider idfc idic idid idie idir idrc idre idrf idub iecc iedr ieie iere ieri ieud ifbb ifcd ifer ific ifid ifrb ifrf ifri iicd iide iied iiie iiii iirc iiuc irbe ircc ircd ircu irdc ired iree irer irfe irfu iri- iric irid irie irrc irre irri iucc iuce iuef iuiu rbbb rbbr rcbc rccb rccc rcdc rcde rcfc rcic rcid rcrd rder rebb rebe rebu recc recd rece reci recr recu redc redd rede redi redr redu reeb reed reef refd refe reff refi refr refu reid reif reii reir reiu rerd rere reri reru reue reuf reuu rfdi rfef rffc rfic rfid rib- ribe ribu ricc rice ridc ridd ride ridi ried rief rier rieu rife riff rifu riif rire riri riue rred rrfc rrif rrrr rubb rube rubi rubu ruce ruci rudd rude rudi rued ruer rufc rufe ruff ruid ruif rurc rurd rure ruri ruru ruud u-ie ubbe ubbi uber ubic ubid ubii ubir ubud ucbc ucci ucdc ucdd ucfb ucrc udbc uddi uder udic udid udir ueir ufcu ufer uffe uirr urbe urbi urci urde urdu ure- ured urfe urff urfi urib uric urie urif uriu urre urri urur uuri uuuu