-er bbb bbc bbd bbe bbk bbo bbr bcb bcc bcd bce bcj bck bco bcr bdb bdc bdd bde bdj bdk bdo bdr be- beb bec bed bee bek beo ber bjc bjd bjj bjk bjr bkb bkc bke bkk bko bkr bob boc bod boe boj bok boo bor brb brd bre brj brk bro brr c-- c-j cbb cbc cbd cbe cbj cbk cbo cbr ccb ccc ccd cce ccj cck cco ccr cdb cdc cdd cde cdj cdk cdo cdr ce- ceb cec ced cee cej cek ceo cer cjb cjc cjd cjk cjr ckb ckc ckd cko co- cob coc cod coe coj cok coo cor crb crc crd cre crj crk cro crr dbb dbc dbd dbe dbk dbo dbr dcb dcc dcd dce dck dco dcr ddb ddc ddd dde ddk ddo ddr de- deb dec ded dee dej dek deo der dj- djb djc djd dje djk djo dkb dkc dke dkk dko dkr dob doc dod doe doj dok doo dor drb drc drd dre drj drk dro drr ebb ebc ebd ebe ebj ebk ebo ebr ec- ecb ecc ecd ece ecj eck eco ecr ed- edb edc edd ede edj edk edo edr eeb eec eed eee eek eeo eer ejc ejd ejo ekb ekc ekd eke eko ekr eo- eob eoc eod eoe eok eoo eor erb erc erd ere erk ero err j-d jbc jbj jbk jbo jbr jcb jcc jcd jce jck jco jcr jdb jdc jde jdo jdr jeb jec jed jee jej jek jeo jer jjb jjc jjj jjk jjr jkb jkk jko jkr job joc jod joe joj jok joo jor jrb jrc jrk jro jrr kbb kbc kbd kbe kbk kbo kbr kcb kcc kcd kce kck kcr kdb kdc kde kdk kdo kdr ke- keb kec ked kee kek keo ker kjb kjc kje kjr kkb kkc kke kkk kkr kob koc kod koe kok koo kor krc krd krk kro krr ob- obb obc obd obe obj obk obo obr oc- ocb occ ocd ocj ock oco ocr odb odc odd ode odo odr oeb oec oed oee oeo oer ojb ojc ojd oje ojo okb okc okd oke okj okk oko okr oo- oob ooc ood ook ooo oor or- orb orc ord ore ork oro orr rbb rbc rbd rbe rbk rbo rbr rcb rcc rcd rce rcj rco rcr rdb rdc rdd rde rdj rdo rdr re- reb rec red ree rek reo rer rjc rjk rjr rkb rkc rke rkk rko rob roc rod roe roj rok roo ror rrb rrc rrd rrk rrr

bbbb bbdd bbdo bbeb bbrc bcbc bccc bcde bcec bcer bcor bd-j bd-r bdbc bddc bebb bebe bebo beck bede bedo beeb beed beej beek beer beke beko beo- beod beok beor berc berd bere berk bero berr bjcc bjec bobb bobe bobo boce bock boco bodb bode bodo boec boee boeo boer bojd bojo boke boko boob booc bood booe book boor bor- bord bore borj bork boro borr brcb brce brdo breb brec bred bree brek breo brer brje brkb brob broc brod broe brok broo bror brrr c-bo c-cd cbbc cbcc cbce cbcr cbdb cbdc cbdo cbec cbee cber cbkj cbko cbkr cbrd cbre cbrj ccbc cccb cccc ccdc ccdr cced ccee ccjo ccob ccoc ccod ccrc ccre cd-e cd-r cddb cddr cdec cder cdre cec- cece ceco cedd cede cedo ceeb ceec cejc ceke ceor cer- cerc cerd cere cero cjbc cjbk cjcb cjcj cjdc cjob cjor cjrb cjrc cjrj ckbc ckbe ckck ckco ckdo cker ckjr ckob ckoc ckoo ckor ckrc ckrd cobb cobe cobo coce cock coco codd code coed cojo cok- coke coko coob cood cook cor- corb corc cord core cork coro corr crbc crcc crce crcr crdc cre- creb crec cred cree creo crkc crob croc crod croe crok croo cror d-bo dbcc dcbc dccb dccc dcdb dcrk dddd ddoc ddrc ddre debe dec- decc decd dece decj deck deco dedd dede dedo deeb deed deek deer deje dejk dek- deke deor der- derb derc dere derj derk dero derr djed djer dkdc dobb dobe doce dock doco dod- dodd dode dodo doek doer dojo doke doko doob dood dook door dorc dord dore dork doro dorr drbc dred dree drek drob drod ebbc ebbo ebbr ebcc ebed eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecdc eced ecko eco- ecod ecrc ecrr eddc edde eddo ede- eder edjo edoc edod eede eeee eeke eeoc eerc eero ejer ejob ejoo ekco ekeb eked ekek eker eocd eode eore erbb erbe ercc erce erde ereb erec ered erer erke erob eroc erod eroe eroo errc erre erro j-ro jbob jcbc jccc jcrc jebb jebe jeed jeer jeke jeok jere jerk jero jjcc jobe jobo joce jock joco jodo joed joee jojo jokb joke jook joor jore jork joro jrbr kbbb kbbc kbbd kbbe kbbk kbbo kbbr kbcb kbce kbck kbco kbcr kbdb kbde kbdo kbdr kbeb kbec kbed kbee kbek kbeo kber kbjc kbjd kbjk kbkb kbkk kbko kbkr kbob kboc kbod kboe kbok kboo kbrb kbrc kbrd kbre kbrj kbrk kbro kcbc kcbd kcbk kcbr kccb kccc kccd kcck kccr kcdc kcdd kcdr kceb kcec kced kcee kceo kcjb kcjc kcjj kcjk kckc kckj kckk kcko kckr kcob kcoe kcor kcrc kcro kcrr kdbb kdbr kdcc kdcd kdce kdco kdcr kddb kddc kddd kddk kddr kdeb kdec kdje kdjr kdkb kdkd kdkk kdko kdkr kdoc kdoe kdok kdrb kdro kebb kebc kebe kebr keck keco kecr kedb kedc kedd kede kedj kedo kedr keed keek keer kejb kejj kejo kekb kekc keke keko keoj keok ker- kerb kerc kere kerk kero kerr kjbb kjbr kjcb kjcc kjcd kjce kjck kjcr kjee kjer kjjd kjjj kjjk kjjo kjjr kjke kjkj kjkk kjoc kjoe kjoj kjok kjor kjrb kjrc kkbb kkbd kkbe kkbj kkbo kkbr kkcb kkcd kkcj kkck kkco kkcr kkdc kkdd kkdj kkdo kked kkjb kkjd kkjk kkkj kkkk kkob