-er b-u bbb bbc bbd bbe bbh bbo bbr bbu bcb bcc bcd bce bch bco bcr bcu bdb bdc bdd bde bdh bdo bdr bdu be- beb bec bed bee beh beo ber beu bhb bhc bhd bhe bhh bho bhr bhu bob boc bod boe boh boo bor bou brb brd bre brh bro brr bru bub buc bud bue buh buo bur buu c-- cbb cbc cbd cbe cbh cbo cbr cbu ccb ccc ccd cce cch cco ccr ccu cdb cdc cdd cde cdh cdo cdr cdu ce- ceb cec ced cee ceh ceo cer ceu ch- chb chc chd che chh cho chr chu co- cob coc cod coe coh coo cor cou crb crc crd cre crh cro crr cru cub cuc cud cue cuh cuo cur cuu dbb dbc dbd dbe dbh dbo dbr dbu dcb dcc dcd dce dco dcr dcu ddb ddc ddd dde ddh ddo ddr ddu de- deb dec ded dee deh deo der deu dh- dhb dhc dhd dhe dhh dho dhr dhu dob doc dod doe doh doo dor dou drb drc drd dre dro drr dru dub duc dud due duh duo dur ebb ebc ebd ebe ebh ebo ebr ebu ec- ecb ecc ecd ece ech eco ecr ecu ed- edb edc edd ede edh edo edr edu eeb eec eed eee eeo eer ehb ehc ehd ehe ehh eho ehr ehu eo- eob eoc eod eoe eoh eoo eor eou erb erc erd ere erh ero err eru eu- eub euc eud eue eur hbb hbc hbd hbe hbh hbo hbr hbu hcb hcc hcd hce hch hco hcr hdb hdc hdd hde hdh hdo hdr hdu he- heb hec hed hee heh heo her heu hhb hhc hhd hhe hhh hho hhr hhu hob hoc hod hoe hoh hoo hor hou hr- hrb hrc hrd hre hrh hro hrr hru hub huc hud hue huh huo hur huu ob- obb obc obd obe obh obo obr obu oc- ocb occ ocd och oco ocr ocu odb odc odd ode odh odo odr odu oeb oec oed oee oeh oeo oer ohc ohd ohe ohh oho ohr ohu oo- oob ooc ood ooh ooo oor or- orb orc ord ore orh oro orr oru ou- ouc oud oue ouh ouo our rbb rbc rbd rbe rbh rbo rbr rbu rcb rcc rcd rce rch rco rcr rcu rdb rdc rdd rde rdh rdo rdr rdu re- reb rec red ree reh reo rer reu rh- rhb rhc rhd rhe rhh rho rhr rhu rob roc rod roe roh roo ror rou rrb rrc rrd rrh rrr rru rub ruc rud rue ruh ruo rur ruu ubb ubc ube ubh ubo ubr ubu ucb ucc ucd uce uch uco ucr ucu udb udc udd ude udo udr udu ueb uec ued uee ueh uer uhb uhc uhd uhe uhh uho uhr uhu uob uoc uod uoe uoo uor ur- urb urc urd ure uro urr uru uuc uue uur uuu

-hou bbbb bbch bbdd bbdo bbeb bbrc bcbc bccc bcde bcec bcer bchd bche bcor bcru bcuc bd-r bdbc bddc bddh bebb bebe bebo bech becu bede bedo bedu beeb beed beer behr beo- beod beor berc berd bere bero berr beru beur bhcc bher bhor bhur bhuu bobb bobe bobo bobu boce boch boco bocu bodb bode bodh bodo bodu boec boee boeo boer bohd boho bohr bohu boob booc bood booe booh boor bor- bord bore borh boro borr boru boud boue bouh bour brcb brce brdo breb brec bred bree breo brer brob broc brod broe broh broo bror brou brrr bruc brud brue bruh bubb bube bubo bubu bucc buce buch buco bucu budb budd bude budo budu buer bueu buhe buho buhr bur- burb burd bure burh buro burr buru c-bo c-cd cbbc cbcc cbce cbcr cbcu cbdb cbdc cbdo cbec cbee cber cbrd cbre cbrh ccbc cccb cccc cccu ccdc ccdh ccdr cced ccee cche cchr ccob ccoc ccod ccrc ccre ccuc cd-e cd-r cddb cddr cdec cder cdre cebu cec- cece ceco cedd cede cedo cedu ceeb ceec ceor ceou cer- cerc cerd cere cero chce chch cheb chec ched chee cheh cher cheu choc chod choh choo chor chou chrb chrc chrd chro chrr chub chud chur cobb cobe cobh cobo cobu coce coch coco cocu codd code coed coho coob cood cooh cor- corb corc cord core coro corr coub coud coue cour crbc crbu crcc crce crcr crdc cre- creb crec cred cree creh creo creu crob croc crod croe croh croo cror crub crud crue cub- cubb cube cucc cuce cude cued cuer curb curd cure curo curr d-bo dbcc dcbc dccb dccc dccu dcdb dche dddd ddoc ddrc ddre ddub debe debu dec- decc decd dece deco dedd dede dedo dedu deeb deed deer dehu deor der- derb derc dere dero derr deue deur dhec dhed dhee dher dhod dhor dhur dobb dobe dobu doce doch doco docu dod- dodd dode dodo doer dohc dohr doob dood door dorc dord dore doro dorr doru doub douc doud doue dour drbc dred dree dreh drob drod droh drou drub drue druu dub- dubb dubc dube dubh dubu duce duch duco dudd dude dudo dudu duer duhe duhr duhu duo- dure duro duru duur ebbc ebbo ebbr ebcc ebed eber eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco ecdc eced eche echo eco- ecod ecou ecrc ecrr ecru eddc edde eddo ede- edeh eder edoc edod edou edru educ edur eede eedu eeee eeoc eerc eero ehcc ehdd eheh eher eheu ehre ehud eocd eode eore erbb erbe ercc erce erch erde ereb erec ered erer erhc erhu erob eroc erod eroe eroo errc erre erro erub eruc eruh erur eubc eucd euch eude euer eur- eurc eure euro hbcd hboc hcbc hccb hccc hcch hcdr hcrd hdoc hdod hebb hebe hebo hebr hech hedd hede hedo heeb heed heer hehe