-er -ic c-- ccc ccd cce ccf cci cck ccn ccr ccu cdc cdd cde cdf cdi cdk cdn cdr cdu ce- cec ced cee cef cei cek cen cer ceu cfc cfd cfe cff cfi cfk cfn cfr cfu ci- cic cid cie cif cii cik cin cir ciu ckc ckd cki cn- cnc cnd cne cnf cni cnn cnr cnu crc crd cre crf cri crk crn crr cru cuc cud cue cuf cui cuk cun cur cuu dcc dcd dce dcf dci dck dcn dcr dcu ddc ddd dde ddf ddi ddk ddn ddr ddu de- dec ded dee def dei dek den der deu dfc dfd dfe dff dfi dfk dfn dfr dfu di- dic did die dif dii dik din dir diu dkc dke dki dkk dkr dku dnc dnd dne dnf dni dnk dnn dnr drc drd dre dri drk drn drr dru duc dud due duf dui duk dun dur ec- ecc ecd ece ecf eci eck ecn ecr ecu ed- edc edd ede edf edi edk edn edr edu eec eed eee eef eek een eer ef- efc efd efe eff efi efr eic eid eie eif eii eik ein eir eiu ekc ekd eke ekf eki ekr eku en- enc end ene enf eni enk enn enr enu erc erd ere erf eri erk ern err eru eu- euc eud eue euf eui eun eur fcc fcd fce fcf fci fck fcn fcr fcu fdc fdd fde fdf fdi fdk fdn fdr fdu fec fed fee fef fei fek fen fer feu ffc ffd ffe fff ffi ffk ffn ffr ffu fic fid fie fif fii fik fin fir fiu fkc fkf fki fkk fnc fnd fne fnf fni fnk fnn fnr fnu frc frd fre frf fri frk frn frr fru fud fue fuf fui fuk fun fur fuu i-d i-f icc icd ice icf ici ick icn icr icu idc idd ide idf idi idk idn idr idu ie- iec ied iee ief iei iek ien ier ifc ifd ife iff ifi ifn ifr ifu iic iid iie iif iii iin iir iiu ikc ike ikf iki ikk ikr iku in- inc ind ine inf ini ink inn inr inu ir- irc ird ire irf iri irk irn irr iru iu- iuc iud iue iui iur kcc kcd kce kci kck kcn kcr kcu kdc kde kdf kdk kdr kdu ke- kec ked kee kef kei kek ken ker kfc kfd kff kfi kfu kic kid kie kif kii kik kin kir kiu kkc kke kki kkk kkn kkr kku kn- knc knd kne knf kni knk knn knr knu krc krd krf kri krk krn krr kru kuc kud kue kui kuk kun kur kuu n-i ncc ncd nce ncf nci nck ncn ncr ncu ndc ndd nde ndf ndi ndk ndn ndr ndu ne- nec ned nee nef nei nek nen ner neu nfc nfd nfe nff nfi nfk nfn nfr nfu nic nid nie nif nii nik nin nir niu nkc nke nkf nki nkk nkn nkr nku nnc nne nnf nni nnk nnn nnu nrc nrd nre nrf nri nrk nrn nrr nru nuc nud nue nui nuk nun nur nuu rcc rcd rce rcf rci rcn rcr rcu rdc rdd rde rdf rdi rdn rdr rdu re- rec red ree ref rei rek ren rer reu rfc rfd rfe rff rfi rfk rfn rfr rfu ric rid rie rif rii rik rin rir rkc rke rkf rkk rku rnc rnd rni rnn rnr rnu rrc rrd rrf rri rrk rrn rrr rru ruc rud rue ruf rui ruk run rur ruu ucc ucd uce ucf uci uck ucn ucr ucu udc udd ude udf udi udk udn udr udu uec ued uee uef uei uen uer ufc ufd ufe uff ufi ufn ufr ufu uic uid uie uif uii uin uir uiu ukc uke ukf uki ukk ukn ukr uku un- unc und une unf uni unk unn unr unu ur- urc urd ure urf uri urk urn urr uru uuc uue uun uur uuu