-er -ic c-- ccc ccd cce ccg cci cck ccn ccr ccu cdc cdd cde cdg cdi cdk cdn cdr cdu ce- cec ced cee ceg cei cek cen cer ceu cgc cgd cge cgg cgi cgn cgr cgu ci- cic cid cie cig cii cik cin cir ciu ckc ckd cki cn- cnc cnd cne cng cni cnn cnr cnu crc crd cre crg cri crk crn crr cru cuc cud cue cug cui cuk cun cur cuu dcc dcd dce dcg dci dck dcn dcr dcu ddc ddd dde ddg ddi ddk ddn ddr ddu de- dec ded dee deg dei dek den der deu dgc dgd dge dgg dgi dgk dgn dgr dgu di- dic did die dig dii dik din dir diu dkc dke dkg dki dkk dkr dku dnc dnd dne dng dni dnk dnn dnr drc drd dre drg dri drk drn drr dru duc dud due dug dui duk dun dur ec- ecc ecd ece ecg eci eck ecn ecr ecu ed- edc edd ede edg edi edk edn edr edu eec eed eee eeg eek een eer egc egd ege egg egi egn egr egu eic eid eie eig eii eik ein eir eiu ekc ekd eke ekg eki ekr eku en- enc end ene eng eni enk enn enr enu erc erd ere erg eri erk ern err eru eu- euc eud eue eug eui eun eur g-d gcc gcd gce gcg gci gck gcn gcr gcu gdc gdd gde gdi gdk gdn gdr gdu ge- gec ged gee geg gei gek gen ger geu ggc ggd ggg ggi ggn ggr ggu gic gid gie gig gii gik gin gir giu gkd gkn gnc gnd gne gni gnn gnr gnu grc grd gre grg gri grk grn grr gru gu- guc gud gue gug gui guk gun gur guu i-d icc icd ice icg ici ick icn icr icu idc idd ide idg idi idk idn idr idu ie- iec ied iee ieg iei iek ien ier igc igd ige igg igi igk ign igr igu iic iid iie iii iin iir iiu ikc ike iki ikk ikr iku in- inc ind ine ing ini ink inn inr inu ir- irc ird ire irg iri irk irn irr iru iu- iuc iud iue iug iui iur kcc kcd kce kcg kci kck kcn kcr kcu kdc kde kdg kdk kdr kdu ke- kec ked kee keg kei kek ken ker kgc kgd kgi kgu kic kid kie kig kii kik kin kir kiu kkc kke kki kkk kkn kkr kku kn- knc knd kne kng kni knk knn knr knu krc krd krg kri krk krn krr kru kuc kud kue kug kui kuk kun kur kuu n-i ncc ncd nce ncg nci nck ncn ncr ncu ndc ndd nde ndg ndi ndk ndn ndr ndu ne- nec ned nee neg nei nek nen ner neu ngc ngd nge ngg ngi ngk ngn ngu nic nid nie nig nii nik nin nir niu nkc nke nki nkk nkn nkr nku nnc nne nng nni nnk nnn nnu nrc nrd nre nrg nri nrk nrn nrr nru nuc nud nue nug nui nuk nun nur nuu rcc rcd rce rcg rci rcn rcr rcu rdc rdd rde rdg rdi rdn rdr rdu re- rec red ree reg rei rek ren rer reu rgc rgd rge rgg rgi rgk rgn rgr ric rid rie rig rii rik rin rir rkc rke rkg rkk rku rnc rnd rng rni rnn rnr rnu rrc rrd rrg rri rrk rrn rrr rru ruc rud rue rug rui ruk run rur ruu ucc ucd uce ucg uci uck ucn ucr ucu udc udd ude udg udi udk udn udr udu uec ued uee ueg uei uen uer ugc uge ugg ugi ugk ugn ugr ugu uic uid uie uig uii uin uir uiu ukc uke uki ukk ukn ukr uku un- unc und une ung uni unk unn unr unu ur- urc urd ure urg uri urk urn urr uru uuc uue uug uun uur uuu