-er -ic c-- ccc cce ccf cci cck ccl ccn ccr ccu ce- cec cee cef cei cek cel cen cer ceu cfc cfe cff cfi cfk cfl cfn cfr cfu ci- cic cie cif cii cik cil cin cir ciu ckc cki cl- clc cle clf cli clk cll cln clr clu cn- cnc cne cnf cni cnl cnn cnr cnu crc cre crf cri crk crl crn crr cru cuc cue cuf cui cuk cul cun cur cuu ec- ecc ece ecf eci eck ecl ecn ecr ecu eec eee eef eek eel een eer ef- efc efe eff efi efl efr eic eie eif eii eik eil ein eir eiu ekc eke ekf eki ekl ekr eku elc ele elf eli elk ell eln elr elu en- enc ene enf eni enk enl enn enr enu erc ere erf eri erk erl ern err eru eu- euc eue euf eui eul eun eur fcc fce fcf fci fck fcl fcn fcr fcu fec fee fef fei fek fel fen fer feu ffc ffe fff ffi ffk ffl ffn ffr ffu fic fie fif fii fik fil fin fir fiu fkc fkf fki fkk fkl flc fle flf fli fll fln flr flu fnc fne fnf fni fnk fnl fnn fnr fnu frc fre frf fri frk frl frn frr fru fue fuf fui fuk ful fun fur fuu i-f icc ice icf ici ick icl icn icr icu ie- iec iee ief iei iek iel ien ier ifc ife iff ifi ifl ifn ifr ifu iic iie iif iii iil iin iir iiu ikc ike ikf iki ikk ikl ikr iku il- ilc ile ilf ili ilk ill iln ilr ilu in- inc ine inf ini ink inl inn inr inu ir- irc ire irf iri irk irl irn irr iru iu- iuc iue iui iur kcc kce kci kck kcl kcn kcr kcu ke- kec kee kef kei kek kel ken ker kfc kff kfi kfu kic kie kif kii kik kil kin kir kiu kkc kke kki kkk kkl kkn kkr kku kl- klc klf kli klr klu kn- knc kne knf kni knk knl knn knr knu krc krf kri krk krl krn krr kru kuc kue kui kuk kul kun kur kuu lcc lce lcf lci lck lcl lcn lcr lcu lec lee lef lei lek lel len ler leu lfc lfe lff lfi lfk lfl lfn lfr lfu lic lie lif lii lik lil lin lir liu lkl lkr llc lle llf lli llk lll lln llr llu lnc lne lni lnk lnl lnn lnr lnu lrc lrf lri lrk lrn lrr lru luc lue luf lui luk lul lun lur luu n-i ncc nce ncf nci nck ncl ncn ncr ncu ne- nec nee nef nei nek nel nen ner neu nfc nfe nff nfi nfk nfl nfn nfr nfu nic nie nif nii nik nil nin nir niu nkc nke nkf nki nkk nkn nkr nku nlc nle nlf nli nlk nll nln nlr nlu nnc nne nnf nni nnk nnl nnn nnu nrc nre nrf nri nrk nrl nrn nrr nru nuc nue nui nuk nul nun nur nuu rcc rce rcf rci rcl rcn rcr rcu re- rec ree ref rei rek rel ren rer reu rfc rfe rff rfi rfk rfl rfn rfr rfu ric rie rif rii rik ril rin rir rkc rke rkf rkk rku rlc rle rlf rli rll rln rlr rlu rnc rni rnn rnr rnu rrc rrf rri rrk rrl rrn rrr rru ruc rue ruf rui ruk run rur ruu ucc uce ucf uci uck ucl ucn ucr ucu uec uee uef uei uel uen uer ufc ufe uff ufi ufl ufn ufr ufu uic uie uif uii uil uin uir uiu ukc uke ukf uki ukk ukl ukn ukr uku ulc ule ulf uli ulk ull uln ulr ulu un- unc une unf uni unk unl unn unr unu ur- urc ure urf uri urk url urn urr uru uuc uue uun uur uuu