-er -ic bbb bbc bbd bbe bbi bbk bbo bbr bcb bcc bcd bce bci bck bco bcr bdb bdc bdd bde bdi bdk bdo bdr be- beb bec bed bee bei bek beo ber bi- bib bic bid bie bii bik bio bir bkb bkc bke bkk bko bkr bob boc bod boe boi bok boo bor brb brd bre bri brk bro brr c-- cbb cbc cbd cbe cbi cbk cbo cbr ccb ccc ccd cce cci cck cco ccr cdb cdc cdd cde cdi cdk cdo cdr ce- ceb cec ced cee cei cek ceo cer ci- cib cic cid cie cii cik cio cir ckb ckc ckd cki cko co- cob coc cod coe coi cok coo cor crb crc crd cre cri crk cro crr dbb dbc dbd dbe dbi dbk dbo dbr dcb dcc dcd dce dci dck dco dcr ddb ddc ddd dde ddi ddk ddo ddr de- deb dec ded dee dei dek deo der di- dib dic did die dii dik dio dir dkb dkc dke dki dkk dko dkr dob doc dod doe doi dok doo dor drb drc drd dre dri drk dro drr ebb ebc ebd ebe ebi ebk ebo ebr ec- ecb ecc ecd ece eci eck eco ecr ed- edb edc edd ede edi edk edo edr eeb eec eed eee eek eeo eer eib eic eid eie eii eik eio eir ekb ekc ekd eke eki eko ekr eo- eob eoc eod eoe eoi eok eoo eor erb erc erd ere eri erk ero err i-d ibb ibc ibd ibe ibi ibk ibo ibr icb icc icd ice ici ick ico icr idb idc idd ide idi idk ido idr ie- iec ied iee iei iek ier iib iic iid iie iii iio iir ikb ikc ike iki ikk iko ikr io- iob ioc iod ioe ioi ioo ior ir- irb irc ird ire iri irk iro irr kbb kbc kbd kbe kbi kbk kbo kbr kcb kcc kcd kce kci kck kcr kdb kdc kde kdk kdo kdr ke- keb kec ked kee kei kek keo ker kib kic kid kie kii kik kio kir kkb kkc kke kki kkk kkr kob koc kod koe koi kok koo kor krc krd kri krk kro krr o-i ob- obb obc obd obe obi obk obo obr oc- ocb occ ocd oci ock oco ocr odb odc odd ode odi odo odr oeb oec oed oee oei oeo oer oib oic oid oie oii oik oio oir okb okc okd oke oki okk oko okr oo- oob ooc ood ooi ook ooo oor or- orb orc ord ore ori ork oro orr rbb rbc rbd rbe rbi rbk rbo rbr rcb rcc rcd rce rci rco rcr rdb rdc rdd rde rdi rdo rdr re- reb rec red ree rei rek reo rer rib ric rid rie rii rik rio rir rkb rkc rke rkk rko rob roc rod roe roi rok roo ror rrb rrc rrd rri rrk rrr

bbbb bbci bbdd bbdo bbeb bbrc bcbc bccc bcci bcde bcec bcer bcie bcor bd-r bdbc bddc bdii bebb bebe bebi bebo beci beck bede bedi bedo beeb beed beek beer beic beik beir beke beki beko beo- beod beok beor berc berd bere beri berk bero berr bibb bibe bibi bibo bicc bice bici bick bico bide bidi bido bidr bieb bied bier bike biko bio- bioc bioi birb bird bire biri birk biro birr bobb bobe bobi bobo boce bock boco bodb bode bodi bodo boec boee boeo boer boi- boid boie boii boke boki boko boob booc bood booe book boor bor- bord bore bori bork boro borr brcb brce brdo breb brec bred bree brei brek breo brer bric brid brie brik brio brkb brob broc brod broe brok broo bror brrr c-bo c-cd cbbc cbcc cbce cbcr cbdb cbdc cbdi cbdo cbec cbee cber cbid cbir cbko cbkr cbrd cbre ccbc cccb cccc ccci ccdc ccdi ccdr cced ccee ccic ccid ccii ccir ccob ccoc ccod ccrc ccre ccri cd-e cd-r cddb cddr cdec cder cdic cdii cdio cdre cec- cece ceci ceco cedd cede cedi cedo ceeb ceec ceke ceor cer- cerc cerd cere ceri cero cibc cibe cibi cibo cicc cici cico cicr cidc cide cidi cidr ciee cier ciid ciii ciko cikr ciob cior cirb circ cire ciri cirk ciro cirr ckbc ckbe ckbi ckck ckco ckdo cker ckob ckoc ckoi ckoo ckor ckrc ckrd cobb cobe cobi cobo coce cock coco codd code codi coed coir cok- coke coko coob cood cook cor- corb corc cord core cori cork coro corr crbc crcc crce crcr crdc cre- creb crec cred cree crei creo crib cric crie crik crkc crob croc crod croe crok croo cror d-bo dbcc dcbc dccb dccc dcci dcdb dcii dcio dcrk dddd ddie ddoc ddrc ddre debe debi dec- decc decd dece deci deck deco dedd dede dedi dedo deeb deed deek deer deid deie deir dek- deke deor der- derb derc dere deri derk dero derr dibb dibe dibo dice dici dick dico dide didi dido dieb died dier diii dike diki diko dioc dior dird dire dirk dirr dkdc dkid dobb dobe dobi doce doci dock doco dod- dodd dode dodi dodo doek doer doid doke doki doko doob dood dook door dorc dord dore dori dork doro dorr drbc dred dree drei drek drib dric drie drob drod ebbc ebbo ebbr ebcc ebed eber ebic ebid eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecci ecco ecdc eced ecib ecko eco- ecod ecrc ecri ecrr eddc edde eddi eddo ede- edei eder edie edik edoc edod eede eeee eeke eeoc eerc eero eick eico eid- eide eidi eido eidr eiec eied eiei eier eike eiki eiko eird eire ekco ekeb eked ekek eker ekki ekoi eocd eode eoir eore eori erbb erbe ercc erce erde erdi ereb erec ered erei erer eric erie erik erio erke erki erob eroc