-er b-u bbb bbc bbd bbe bbk bbm bbo bbr bbu bcb bcc bcd bce bck bcm bco bcr bcu bdb bdc bdd bde bdk bdm bdo bdr bdu be- beb bec bed bee bek bem beo ber beu bkb bkc bke bkk bkm bko bkr bmb bmc bmd bme bmk bmm bmo bmr bmu bob boc bod boe bok bom boo bor bou brb brd bre brk brm bro brr bru bub buc bud bue buk bum buo bur buu c-- cbb cbc cbd cbe cbk cbm cbo cbr cbu ccb ccc ccd cce cck ccm cco ccr ccu cdb cdc cdd cde cdk cdm cdo cdr cdu ce- ceb cec ced cee cek cem ceo cer ceu ckb ckc ckd ckm cko cmb cmc cmd cme cmk cmm cmo cmr cmu co- cob coc cod coe cok com coo cor cou crb crc crd cre crk crm cro crr cru cub cuc cud cue cuk cum cuo cur cuu dbb dbc dbd dbe dbk dbm dbo dbr dbu dcb dcc dcd dce dck dcm dco dcr dcu ddb ddc ddd dde ddk ddm ddo ddr ddu de- deb dec ded dee dek dem deo der deu dkb dkc dke dkk dkm dko dkr dku dmb dmc dmd dme dmk dmm dmo dmr dmu dob doc dod doe dok dom doo dor dou drb drc drd dre drk drm dro drr dru dub duc dud due duk dum duo dur ebb ebc ebd ebe ebk ebm ebo ebr ebu ec- ecb ecc ecd ece eck ecm eco ecr ecu ed- edb edc edd ede edk edm edo edr edu eeb eec eed eee eek eem eeo eer ekb ekc ekd eke eko ekr eku em- emb emc emd eme emk emm emo emr emu eo- eob eoc eod eoe eok eom eoo eor eou erb erc erd ere erk erm ero err eru eu- eub euc eud eue eur kbb kbc kbd kbe kbk kbm kbo kbr kbu kcb kcc kcd kce kck kcm kcr kcu kdb kdc kde kdk kdm kdo kdr kdu ke- keb kec ked kee kek kem keo ker kkb kkc kke kkk kkm kkr kku kmb kmc kmd kme kmk kmm kmo kmu kob koc kod koe kok kom koo kor kou krc krd krk kro krr kru kub kuc kud kue kuk kum kur kuu m-o m-r mbb mbc mbd mbe mbk mbm mbo mbr mbu mc- mcb mcc mcd mce mck mcm mco mcr mcu mdb mdc mdd mde mdk mdm mdo mdr mdu meb mec med mee mek mem meo mer meu mkb mkc mkd mke mkk mkm mko mkr mku mmb mmc mmd mme mmk mmm mmo mmr mmu mob moc mod moe mok mom moo mor mou mrb mrc mrd mre mrk mrm mro mrr mru mub muc mud mue muk mum mur muu ob- obb obc obd obe obk obm obo obr obu oc- ocb occ ocd ock ocm oco ocr ocu odb odc odd ode odm odo odr odu oeb oec oed oee oem oeo oer okb okc okd oke okk oko okr oku om- omb omc omd ome omm omo omr omu oo- oob ooc ood ook oom ooo oor or- orb orc ord ore ork orm oro orr oru ou- ouc oud oue ouk oum ouo our rbb rbc rbd rbe rbk rbm rbo rbr rbu rcb rcc rcd rce rcm rco rcr rcu rdb rdc rdd rde rdm rdo rdr rdu re- reb rec red ree rek rem reo rer reu rkb rkc rke rkk rkm rko rku rmb rmc rmd rme rmm rmo rmr rob roc rod roe rok rom roo ror rou rrb rrc rrd rrk rrm rrr rru rub ruc rud rue ruk rum ruo rur ruu ubb ubc ube ubk ubo ubr ubu ucb ucc ucd uce uck ucm uco ucr ucu udb udc udd ude udk udm udo udr udu ueb uec ued uee uem uer ukb ukc uke ukk ukr uku um- umb umc umd ume umm umo umr umu uob uoc uod uoe uok uom uoo uor ur- urb urc urd ure urk urm uro urr uru uuc uue uum uur uuu

bbbb bbcm bbdd bbdo bbeb bbrc bcbc bccc bccm bcde bcec bcer bcor bcru bcuc bd-r bdbc bddc bdrm bebb bebe bebo beck becu bede bedo bedu beeb beed beek beem beer beke beko beme bemu beo- beod beok beor berc berd bere berk berm bero berr beru beuk beur bmce bmdb bmoc bobb bobe bobo bobu boce bock bocm boco bocu bodb bode bodo bodu boec boee boeo boer boke boko boku bomb bome bomu boob booc bood booe book boom boor bor- bord bore bork borm boro borr boru boud boue bouk boum bour brcb brce brdm brdo breb brec bred bree brek brem breo brer brkb brmc brob broc brod broe brok brom broo bror brou brrm brrr bruc brud brue brum bubb bube bubo bubu bucc buce buck buco bucu budb budd bude budo budu buem buer bueu buke bukk buko buku bum- bumb bur- burb burd bure burk burm buro burr buru c-bo c-cd cbbc cbcc cbce cbcm cbcr cbcu cbdb cbdc cbdo cbec cbee cber cbkm cbko cbkr cbme cbrd cbre cbrm ccbc cccb cccc cccm cccu ccdc ccdm ccdr cced ccee cckm ccmb ccmc ccmd ccmm ccob ccoc ccod ccom ccrc ccre ccuc cd-e cd-r cddb cddr cdec cder cdom cdre cebu cec- cece cecm ceco cedd cede cedo cedu ceeb ceec ceem ceke cemb ceme cemm cemr cemu ceor ceou cer- cerc cerd cere cero ckbc ckbe ckck ckcm ckco ckdm ckdo ckdu ckem cker ckmo ckob ckoc ckom ckoo ckor ckrc ckrd ckrm cmbc cmcc cmdb cmdr cmec cmmb cmmc cmoc cmrr cobb cobe cobo cobu coce cock coco cocu codd code coed cok- coke coko com- comb comc comd come comm como comr comu coob cood cook coom cor- corb corc cord core cork corm coro corr coub coud coue couk cour crbc crbu crcc