-er -ic c-- ccc cce ccf ccg cci cck ccn ccr ccs ccu ce- cec cee cef ceg cei cek cen cer ces ceu cfc cfe cff cfg cfi cfk cfn cfr cfs cfu cgc cge cgg cgi cgn cgr cgs cgu ci- cic cie cif cig cii cik cin cir cis ciu ckc cki cks cn- cnc cne cnf cng cni cnn cnr cns cnu crc cre crf crg cri crk crn crr crs cru csc cse csf csg csi csk csn csr css csu cuc cue cuf cug cui cuk cun cur cus cuu ec- ecc ece ecf ecg eci eck ecn ecr ecs ecu eec eee eef eeg eek een eer ees ef- efc efe eff efg efi efr efs egc ege egf egg egi egn egr egs egu eic eie eif eig eii eik ein eir eis eiu ekc eke ekf ekg eki ekr eks eku en- enc ene enf eng eni enk enn enr ens enu erc ere erf erg eri erk ern err ers eru es- esc ese esf esg esi esk esn esr ess esu eu- euc eue euf eug eui eun eur eus fcc fce fcf fcg fci fck fcn fcr fcs fcu fec fee fef feg fei fek fen fer fes feu ffc ffe fff ffg ffi ffk ffn ffr ffs ffu fgc fge fgf fgg fgi fgn fgr fgs fic fie fif fig fii fik fin fir fis fiu fkc fkf fkg fki fkk fnc fne fnf fng fni fnk fnn fnr fns fnu frc fre frf frg fri frk frn frr frs fru fsc fse fsf fsg fsi fsk fsn fsr fss fsu fue fuf fug fui fuk fun fur fus fuu gcc gce gcf gcg gci gck gcn gcr gcs gcu ge- gec gee gef geg gei gek gen ger ges geu gfc gfe gff gfi gfk gfr gfs ggc ggg ggi ggn ggr ggs ggu gic gie gif gig gii gik gin gir gis giu gkn gks gnc gne gnf gni gnn gnr gns gnu grc gre grf grg gri grk grn grr grs gru gsc gse gsf gsg gsi gsk gsn gsr gss gsu gu- guc gue guf gug gui guk gun gur gus guu i-f icc ice icf icg ici ick icn icr ics icu ie- iec iee ief ieg iei iek ien ier ies ifc ife iff ifg ifi ifn ifr ifs ifu igc ige igf igg igi igk ign igr igs igu iic iie iif iii iin iir iis iiu ikc ike ikf iki ikk ikr iks iku in- inc ine inf ing ini ink inn inr ins inu ir- irc ire irf irg iri irk irn irr irs iru is- isc ise isf isg isi isk isn isr iss isu iu- iuc iue iug iui iur ius kcc kce kcg kci kck kcn kcr kcs kcu ke- kec kee kef keg kei kek ken ker kes kfc kff kfg kfi kfs kfu kgc kgf kgi kgs kgu kic kie kif kig kii kik kin kir kis kiu kkc kke kki kkk kkn kkr kks kku kn- knc kne knf kng kni knk knn knr knu krc krf krg kri krk krn krr krs kru ksc kse ksf ksg ksi ksk ksn ksr kss ksu kuc kue kug kui kuk kun kur kus kuu n-i ncc nce ncf ncg nci nck ncn ncr ncs ncu ne- nec nee nef neg nei nek nen ner nes neu nfc nfe nff nfi nfk nfn nfr nfs nfu ngc nge ngf ngg ngi ngk ngn ngs ngu nic nie nif nig nii nik nin nir nis niu nkc nke nkf nki nkk nkn nkr nks nku nnc nne nnf nng nni nnk nnn nns nnu nrc nre nrf nrg nri nrk nrn nrr nrs nru nsc nse nsf nsg nsi nsk nsn nsr nss nsu nuc nue nug nui nuk nun nur nus nuu rcc rce rcf rcg rci rcn rcr rcs rcu re- rec ree ref reg rei rek ren rer res reu rfc rfe rff rfg rfi rfk rfn rfr rfs rfu rgc rge rgf rgg rgi rgk rgn rgr rgs ric rie rif rig rii rik rin rir ris rkc rke rkf rkg rkk rks rku rnc rng rni rnn rnr rns rnu rrc rrf rrg rri rrk rrn rrr rrs rru rsc rse rsf rsg rsi rsk rsn rsr rss rsu ruc rue ruf rug rui ruk run rur rus ruu scc sce scf scg sci sck scn scr scs scu se- sec see sef seg sei sek sen ser ses seu sfc sfe sff sfg sfi sfk sfn sfr sfs sfu sgc sge sgf sgg sgi sgk sgn sgr sgs sgu sic sie sif sig sii sik sin sir sis siu sk- skc ske skf skg ski skk skr sks sku snc sne snf sng sni snk snn snr sns snu sr- src sre srf srg sri srk srn srr srs ss- ssc sse ssf ssg ssi ssk ssn ssr sss ssu suc sue suf sug sui suk sun sur sus suu ucc uce ucf ucg uci uck ucn ucr ucs ucu uec uee uef ueg uei uen uer ues ufc ufe uff ufg ufi ufn ufr ufs ufu ugc uge ugf ugg ugi ugk ugn ugr ugs ugu uic uie uif uig uii uin uir uis uiu ukc uke ukf uki ukk ukn ukr uku un- unc une unf ung uni unk unn unr uns unu ur- urc ure urf urg uri urk urn urr urs uru usc use usf usg usi usk usn usr uss usu uuc uue uug uun uur uus uuu