-er -ic a-a a-c a-i aaa aac aad aae aaf aag aai aak aan aar ac- aca acc acd ace acf acg aci ack acn acr ad- ada adc add ade adf adg adi adk adn adr aea aec aed aee aef aeg aei aek aen aer af- afa afc afd afe aff afg afi afk afn afr ag- aga agc agd age agf agg agi agk agn agr ai- aia aic aid aie aif aig aii aik ain air aka akc akd ake akg aki akk akn akr an- ana anc and ane anf ang ani ank ann anr ar- ara arc ard are arf arg ari ark arn arr c-- caa cac cad cae caf cag cai cak can car cca ccc ccd cce ccf ccg cci cck ccn ccr cda cdc cdd cde cdf cdg cdi cdk cdn cdr ce- cea cec ced cee cef ceg cei cek cen cer cfa cfc cfd cfe cff cfg cfi cfk cfn cfr cga cgc cgd cge cgg cgi cgn cgr ci- cia cic cid cie cif cig cii cik cin cir cka ckc ckd cki cn- cna cnc cnd cne cnf cng cni cnn cnr cra crc crd cre crf crg cri crk crn crr daa dac dad dae daf dag dai dak dan dar dca dcc dcd dce dcf dcg dci dck dcn dcr dda ddc ddd dde ddf ddg ddi ddk ddn ddr de- dea dec ded dee def deg dei dek den der dfa dfc dfd dfe dff dfg dfi dfk dfn dfr dga dgc dgd dge dgf dgg dgi dgk dgn dgr di- dia dic did die dif dig dii dik din dir dka dkc dke dkg dki dkk dkr dna dnc dnd dne dnf dng dni dnk dnn dnr dra drc drd dre drg dri drk drn drr eaa eac ead eae eaf eag eai eak ean ear ec- eca ecc ecd ece ecf ecg eci eck ecn ecr ed- eda edc edd ede edf edg edi edk edn edr eea eec eed eee eef eeg eek een eer ef- efa efc efd efe eff efg efi efr ega egc egd ege egf egg egi egn egr eia eic eid eie eif eig eii eik ein eir eka ekc ekd eke ekf ekg eki ekr en- ena enc end ene enf eng eni enk enn enr era erc erd ere erf erg eri erk ern err faa fac fad fae faf fag fai fak fan far fca fcc fcd fce fcf fcg fci fck fcn fcr fda fdc fdd fde fdf fdg fdi fdk fdn fdr fea fec fed fee fef feg fei fek fen fer ffa ffc ffd ffe fff ffg ffi ffk ffn ffr fga fgc fgd fge fgf fgg fgi fgn fgr fia fic fid fie fif fig fii fik fin fir fka fkc fkf fkg fki fkk fna fnc fnd fne fnf fng fni fnk fnn fnr fra frc frd fre frf frg fri frk frn frr g-d gaa gac gad gae gaf gag gai gak gan gar gca gcc gcd gce gcf gcg gci gck gcn gcr gda gdc gdd gde gdf gdi gdk gdn gdr ge- gea gec ged gee gef geg gei gek gen ger gfa gfc gfd gfe gff gfi gfk gfr gga ggc ggd ggg ggi ggn ggr gia gic gid gie gif gig gii gik gin gir gka gkd gkn gna gnc gnd gne gnf gni gnn gnr gra grc grd gre grf grg gri grk grn grr i-d i-f ia- iaa iac iad iae iaf iag iai ian iar ica icc icd ice icf icg ici ick icn icr ida idc idd ide idf idg idi idk idn idr ie- iea iec ied iee ief ieg iei iek ien ier ifa ifc ifd ife iff ifg ifi ifn ifr iga igc igd ige igf igg igi igk ign igr iia iic iid iie iif iii iin iir ika ikc ike ikf iki ikk ikr in- ina inc ind ine inf ing ini ink inn inr ir- ira irc ird ire irf irg iri irk irn irr ka- kaa kac kad kae kaf kag kai kak kan kar kca kcc kcd kce kcg kci kck kcn kcr kda kdc kde kdf kdg kdk kdr ke- kea kec ked kee kef keg kei kek ken ker kfa kfc kfd kff kfg kfi kga kgc kgd kgf kgi kia kic kid kie kif kig kii kik kin kir kkc kke kki kkk kkn kkr kn- kna knc knd kne knf kng kni knk knn knr kra krc krd krf krg kri krk krn krr n-i naa nac nad nae naf nag nai nak nan nar nca ncc ncd nce ncf ncg nci nck ncn ncr nda ndc ndd nde ndf ndg ndi ndk ndn ndr ne- nea nec ned nee nef neg nei nek nen ner nfa nfc nfd nfe nff nfi nfk nfn nfr nga ngc ngd nge ngf ngg ngi ngk ngn nia nic nid nie nif nig nii nik nin nir nka nkc nke nkf nki nkk nkn nkr nna nnc nne nnf nng nni nnk nnn nra nrc nrd nre nrf nrg nri nrk nrn nrr ra- raa rac rad rae raf rag rai rak ran rar rca rcc rcd rce rcf rcg rci rcn rcr rda rdc rdd rde rdf rdg rdi rdn rdr re- rea rec red ree ref reg rei rek ren rer rfa rfc rfd rfe rff rfg rfi rfk rfn rfr rga rgc rgd rge rgf rgg rgi rgk rgn rgr ria ric rid rie rif rig rii rik rin rir rkc rke rkf rkg rkk rna rnc rnd rng rni rnn rnr rra rrc rrd rrf rrg rri rrk rrn rrr