-er -ic c-- ccc ccd cce ccf cci cck cco ccr cdc cdd cde cdf cdi cdk cdo cdr ce- cec ced cee cef cei cek ceo cer cfc cfd cfe cff cfi cfk cfo cfr ci- cic cid cie cif cii cik cio cir ckc ckd cki cko co- coc cod coe cof coi cok coo cor crc crd cre crf cri crk cro crr dcc dcd dce dcf dci dck dco dcr ddc ddd dde ddf ddi ddk ddo ddr de- dec ded dee def dei dek deo der dfc dfd dfe dff dfi dfk dfo dfr di- dic did die dif dii dik dio dir dkc dke dki dkk dko dkr doc dod doe dof doi dok doo dor drc drd dre dri drk dro drr ec- ecc ecd ece ecf eci eck eco ecr ed- edc edd ede edf edi edk edo edr eec eed eee eef eek eeo eer ef- efc efd efe eff efi efo efr eic eid eie eif eii eik eio eir ekc ekd eke ekf eki eko ekr eo- eoc eod eoe eof eoi eok eoo eor erc erd ere erf eri erk ero err fcc fcd fce fcf fci fck fco fcr fdc fdd fde fdf fdi fdk fdo fdr fec fed fee fef fei fek feo fer ffc ffd ffe fff ffi ffk ffo ffr fic fid fie fif fii fik fir fkc fkf fki fkk foc foe fof foi fok foo for frc frd fre frf fri frk fro frr i-d i-f icc icd ice icf ici ick ico icr idc idd ide idf idi idk ido idr ie- iec ied iee ief iei iek ier ifc ifd ife iff ifi ifo ifr iic iid iie iif iii iio iir ikc ike ikf iki ikk iko ikr io- ioc iod ioe iof ioi ioo ior ir- irc ird ire irf iri irk iro irr kcc kcd kce kci kck kcr kdc kde kdf kdk kdo kdr ke- kec ked kee kef kei kek keo ker kfc kfd kff kfi kfo kic kid kie kif kii kik kio kir kkc kke kki kkk kkr koc kod koe kof koi kok koo kor krc krd krf kri krk kro krr o-i oc- occ ocd ocf oci ock oco ocr odc odd ode odf odi odo odr oec oed oee oef oei oeo oer of- ofc ofd ofe off ofi ofo ofr oic oid oie oif oii oik oio oir okc okd oke oki okk oko okr oo- ooc ood oof ooi ook ooo oor or- orc ord ore orf ori ork oro orr rcc rcd rce rcf rci rco rcr rdc rdd rde rdf rdi rdo rdr re- rec red ree ref rei rek reo rer rfc rfd rfe rff rfi rfk rfo rfr ric rid rie rif rii rik rio rir rkc rke rkf rkk rko roc rod roe rof roi rok roo ror rrc rrd rrf rri rrk rrr

c-cd cccc cccf ccci ccdc ccdf ccdi ccdr cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccoc ccod ccrc ccre ccrf ccri cd-e cd-r cddr cdec cdef cder cdfe cdic cdii cdio cdre cec- cece ceci ceco cedd cede cedi cedo ceec cef- cefc ceke ceor cer- cerc cerd cere cerf ceri cero cfcf cfco cffr cfor cfre cicc cici cico cicr cidc cide cidi cidr ciee cier cife ciff ciid ciii ciko cikr cior circ cire ciri cirk ciro cirr ckck ckco ckdo cker ckfi ckfr ckoc ckoi ckoo ckor ckrc ckrd coce cock coco codd code codi coed cofc cofe coff cofi coif coir cok- coke coko cood coof cook cor- corc cord core corf cori cork coro corr crcc crce crcr crdc cre- crec cred cree crei creo crfc cric crie crif crik crkc croc crod croe crok croo cror dccc dcci dcfc dcii dcio dcrk dddd ddie ddoc ddrc ddre dec- decc decd dece deci deck deco dedd dede dedi dedo deed deef deek deer defe deff defi defo deid deie deif deir dek- deke deor der- derc dere derf deri derk dero derr dfcc dfco dfer dfoe dfrf dfri dice dici dick dico dide didi dido died dief dier dif- diff diii dike diki diko dioc dior dird dire dirk dirr dkdc dkid doce doci dock doco dod- dodd dode dodi dodo doek doer doff doid doke doki doko dood doof dook door dorc dord dore dorf dori dork doro dorr dred dree dref drei drek drfc dric drie drif drod drof eccc ecce ecci ecco ecdc ecdf eced ecef ecfc ecfr ecko eco- ecod ecrc ecrf ecri ecrr eddc edde eddi eddo ede- edei eder edie edif edik edoc edod eede eeee eefe eeke eeoc eerc eero efco efeo effi efic efik efke efor eick eico eid- eide eidi eido eidr eiec eied eiei eier eike eiki eiko eird eire ekco eked ekek eker ekfc ekki ekoi eocd eode eoir eore eori ercc erce erde erdf erdi erec ered erei erer erfc eric erie erik erio erke erki eroc erod eroe eroi eroo errc erre erro f--k fccf fcic fcii fdic fdoc fece feck fede fedi feed feek feer fefc fefe feff fefi fefo feid feie feio feir feke feko feod feof ferc ferd fere ferk fero ferr ffcc ffee ffff ffii ffrr ficc fice fick fico fidc fide fidf fido fiec fief fier fifc fife fiff fifi fifo fiii fike fiki fioe fior fire firk foce foci fock foco fode foed foer fofo foid foie foke foki food foof fook for- ford fore fori fork foro forr frcc fred free frei freo frfc fric frid frie frik frio froe iccc iccf icci icco iccr icdc icdd icde icec iced icee icef icer icke icoc icod icor icrc icre icrf icrr idce idcr iddo idec ided idee idef ideo ider idfc idic idid idie idio idir idoc idrc idre idrf idro iecc iedr ieie ieio iere ieri ifcd ifco ifer ific ifid ifor ifrf ifri iicd iide iied iiie iiii iiio