-er -ol bbb bbc bbd bbe bbk bbl bbo bbr bcb bcc bcd bce bck bcl bco bcr bdb bdc bdd bde bdk bdl bdo bdr be- beb bec bed bee bek bel beo ber bkb bkc bke bkk bkl bko bkr blb blc bld ble blk bll blo blr bob boc bod boe bok bol boo bor brb brd bre brk brl bro brr c-- cbb cbc cbd cbe cbk cbl cbo cbr ccb ccc ccd cce cck ccl cco ccr cdb cdc cdd cde cdk cdl cdo cdr ce- ceb cec ced cee cek cel ceo cer ckb ckc ckd cko cl- clb clc cld cle clk cll clo clr co- cob coc cod coe cok col coo cor crb crc crd cre crk crl cro crr dbb dbc dbd dbe dbk dbl dbo dbr dcb dcc dcd dce dck dcl dco dcr ddb ddc ddd dde ddk ddl ddo ddr de- deb dec ded dee dek del deo der dkb dkc dke dkk dkl dko dkr dl- dlb dlc dld dle dlk dll dlo dlr dob doc dod doe dok dol doo dor drb drc drd dre drk drl dro drr ebb ebc ebd ebe ebk ebl ebo ebr ec- ecb ecc ecd ece eck ecl eco ecr ed- edb edc edd ede edk edl edo edr eeb eec eed eee eek eel eeo eer ekb ekc ekd eke ekl eko ekr elb elc eld ele elk ell elo elr eo- eob eoc eod eoe eok eol eoo eor erb erc erd ere erk erl ero err kbb kbc kbd kbe kbk kbl kbo kbr kcb kcc kcd kce kck kcl kcr kdb kdc kde kdk kdl kdo kdr ke- keb kec ked kee kek kel keo ker kkb kkc kke kkk kkl kkr kl- klb klc kld klo klr kob koc kod koe kok kol koo kor krc krd krk krl kro krr lbb lbc lbd lbe lbk lbl lbo lbr lcb lcc lcd lce lck lcl lco lcr ldb ldc ldd lde ldk ldl ldo ldr leb lec led lee lek lel leo ler lkb lkl lkr llb llc lld lle llk lll llo llr lob loc lod loe lok lol loo lor lrb lrc lrd lrk lro lrr ob- obb obc obd obe obk obl obo obr oc- ocb occ ocd ock ocl oco ocr odb odc odd ode odl odo odr oeb oec oed oee oel oeo oer okb okc okd oke okk okl oko okr olb olc old ole olk oll olo oo- oob ooc ood ook ool ooo oor or- orb orc ord ore ork orl oro orr rbb rbc rbd rbe rbk rbl rbo rbr rcb rcc rcd rce rcl rco rcr rdb rdc rdd rde rdl rdo rdr re- reb rec red ree rek rel reo rer rkb rkc rke rkk rko rlc rld rle rll rlo rlr rob roc rod roe rok rol roo ror rrb rrc rrd rrk rrl rrr

bbbb bbdd bbdo bbeb bblb bbrc bcbc bccc bccl bcde bcec bcer bcor bd-r bdbc bddc bdle bebb bebe bebo beck bede bedl bedo beeb beed beek beel beer beke beko beld bele belk bell belo beo- beod beok beor berc berd bere berk bero berr bldc bldr bleb bled blee blek bleo blkb blkd blob bloc blod blok bloo blrc bobb bobe bobo boce bock boco bodb bode bodo boec boee boel boeo boer boke boko bold bole bolk boll bolo boob booc bood booe book bool boor bor- bord bore bork boro borr brcb brce brdo breb brec bred bree brek brel breo brer brkb brob broc brod broe brok brol broo bror brrr c-bo c-cd cbbc cbcc cbce cbcl cbcr cbdb cbdc cbdo cbec cbee cber cbkl cbko cbkr cblb cblc cbol cbrd cbre cbrl ccbc cccb cccc cccl ccdc ccdr cced ccee ccel cclc ccob ccoc ccod ccrc ccre ccrl cd-e cd-r cddb cddl cddr cdec cder cdre cec- cece ceco cedd cede cedo ceeb ceec ceel ceke cel- celc cele cell celo ceol ceor cer- cerc cerd cere cerl cero ckbc ckbe ckck ckcl ckco ckdo cker ckob ckoc ckoo ckor ckrc ckrd clcd cldc cldr clec cled clee clek cleo cler clob clod cloe clok cloo clor clrd clro cobb cobe cobo coce cock coco codd code codl coed coel cok- coke coko col- colb cold cole colk coll colo coob cood cook cool cor- corb corc cord core cork corl coro corr crbc crcc crce crcr crdc cre- creb crec cred cree creo crkc crkl crob croc crod croe crok crol croo cror d-bo dbcc dcbc dccb dccc dccl dcdb dcrk dddd ddlc ddoc ddrc ddre debe dec- decc decd dece deck decl deco dedd dede dedo deeb deed deek deel deer dek- deke deld dele delk dell delo deol deor der- derb derc dere derk dero derr dkdc dlbd dlco dobb dobe dobl doce dock doco dod- dodd dode dodo doek doel doer doke doko dold dole dolk doll dolo doob dood dook dool door dorc dord dore dork doro dorr drbc dred dree drek drel drob drod drol e-cl ebbc ebbo ebbr ebcc ebed ebel eber eboe ebol eboo ebor ebro ecbc ecbe eccb eccc ecce eccl ecco ecdc ecdl eced ecko eco- ecod ecol ecrc ecrl ecrr eddc edde eddo ede- edel eder edle edoc edod eede eeee eeke eele eeoc eerc eero ekco ekeb eked ekek eker el-b elbe elbo elcb elce elco elde eldr elec eled elee elek eleo eler elke elko elle ello elod elok elro eocd eode eole eolo eore eorl erbb erbe ercc erce erde ereb erec ered erel erer erke erld erle erll erob eroc erod eroe erol eroo errc erre erro k-lo kbbb kbbc kbbd kbbe kbbk kbbl kbbo kbbr kbcb kbce kbck kbcl kbco kbcr kbdb kbde kbdl kbdo kbdr kbeb kbec kbed kbee kbek kbel kbeo kber kbkb kbkk kbkl kbko kbkr kblb kbld kble kbll kblo kblr kbob kboc kbod kboe kbok kboo kbrb kbrc kbrd kbre