-ene bbbb bbch bbeb bbrc bbwc bbwr bcbc bccc bcec bcer bche bcnu bcru bcuc bebb bebe bech becu beeb been beer behn behr bene benn benu berc bere bern berr beru beur bewe bewh bhcc bher bhur bhuu bner bnrr brcb brce brcw breb brec bree bren brer brew brrr bruc brue bruh brun brwe bubb bube bubu bucc buce buch bucu buen buer bueu buhe buhr bunb bune bunn bunu bur- burb bure burh burn burr buru buwe cbbc cbcc cbce cbcn cbcr cbcu cbec cbee cber cbre cbrh cbrn ccbc ccbn cccb cccc cccu ccee cche cchr ccnb ccnc ccne ccnr ccnu ccrc ccre ccuc cebu cec- cece ceeb ceec cen- cene cer- cerc cere cern cewe chce chch cheb chec chee cheh chen cher cheu chew chnb chnc chnr chrb chrc chrn chrr chrw chub chun chur cnbc cnrc cnrr crbc crbu crcc crce crcr cre- creb crec cree creh cren creu crew crne crub crue crun cub- cubb cube cucc cuce cucn cuer cune curb cure curn curr cweb cwer cwrw ebbc ebbr ebbw ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eche ecne ecrc ecrr ecru eeee eerc eewh ehcc eheh ehen eher eheu ehre enb- enbn enbr enbw ence ench enee ener enew ennc enne ennu enue enur erbb erbe ercc erce erch ereb erec eren erer erew erhc erhu erne errc erre erub eruc eruh erur eubc euch euer eur- eurc eure euwe ewen ewer ewew ewre hcbc hccb hccc hcch hebb hebe hebr hech hecw heeb heer hehe hehn hene henh henn henu herb herc here hern herr heru heue heun heur hewe hewn hhhh hnce hree hrrc hrun hubb hube huch hucu huer huhn huhu hunc hune hunh hure hurn hurr huru huub huwe nbbc nbcc nber ncbc nccc nccn nccr nccu ncec ncee ncen ncer ncew nchc ncnc ncrc ncre ncue ncwc ncwe nebb nebe nebn nebr nebu necc nece nech necr neeb neen neer nehe nehu nene nenh nenu nerc nere nerr neru neuc neue neun neur neuu new- newb newe nhcc nheb nhnn nhrc nnnn nren nrrc nubc nube nuce nuch nucu nuee nuer nunc nune nunn nurc nure nurn nurr nuru nuwe nwbn nwbw rbbb rbbr rcbc rccb rccc rchb rcnr rebb rebe rebu recc rece rech recr recu reeb reen rehb rehe rehn rene renn renu rere reru reue reuu rewe rhce rheb rhee rhen rhue rhun rnbr rrrr rrun rubb rube rubu ruce ruch ruen ruer ruhe ruhh ruhn ruhr runc rune runn rurc rure ruru ruun ruwe rwch ubbe uber ucbc uche ucrc uewe uher uhuh unbe uncc unce unch uneb unec unee unen uner unne urbe urch ure- ureh urne urre urrh urun urur uuen uuuu uwec uwer wbbb wbbe wbbn wbbr wbbw wbcb wbce wbch wbcn wbcr wbcu wbcw wbeb wbec wben wber wbew wbhb wbhc wbhh wbhn wbhr wbhu wbhw wbnb wbnc wbnh wbnr wbnw wbrb wbrc wbrh wbrn wbrr wbru wbrw wbuc wbuw wbwb wbwc wbwn wcbc wcbe wcbh wcbr wcbu wcbw wccb wccc wcce wcch wccn wccr wccu wccw wceb wcec wcee wceh wcer wchb wchc wche wchn wchr wcnc wcnh wcnn wcnr wcnu wcnw wcrb wcrc wcre wcrh wcrn wcrr wcru wcrw wcub wcue wcur wcuw wcwb wcwc wcwn webb webc webe webn wecb wecc wech wecn wecr wecu wecw weeb weec ween weer weeu wehc wehh wehr wenc wene wenh wenn wenr wenu wer- werb werc were werh wern werr werw weuc wewc wewe wewn whbb whbc whbe whbn whbr whbu whcb whcc whce whcn whcr whcu wheb whec whee when wher whew whhb whhh whhn whhr whhw whnc whnn whnr whr- whrb whrc whre whrh whru whrw whub whuc whun whur whwb whwc whwh whwn wnbb wnbc wnbh wnbn wnbr wnbu wnbw wncb wncc wnch wncn wncr wncu wncw wneb wnec wnee wner wneu wnew wnhc wnhu wnhw wnnc wnne wnnh wnnr wnnw wnrn wnrr wnrw wnuw wnwc wnwn wnwr wnww wrbb wrbc wrbe wrbh wrbn wrbu wrbw wrcb wrce wrch wrcr wrcw wreb wrec wree wreh wren wrer wrew wrhc wrhn wrhu wrnb wrne wrnn wrnr wrnw wrrb wrrc wrre wrrh wrrn wrrw wrub wruc wrwb wrwc wrwh wrwn wrwr wubb wubr wubu wuch wucw wuec wuhu wunc wune wunh wunr wunw wur- wurb wurc wurn wuub wuuu wuwe wwbb wwbc wwbn wwbr wwbu wwcb wwch wwcn wwcr wwcu wwcw wweb wwec wwen wwer wwhb wwhn wwhr wwnb wwnc wwnh wwnn wwnr wwnw wwrb wwrc wwre wwrr wwru wwrw wwuh wwwc wwwe wwwh wwwn wwwr wwww