-al -er -ic a-a a-c a-i aaa aac aae aag aai aak aal aan aar ac- aca acc ace acg aci ack acl acn acr aea aec aee aeg aei aek ael aen aer ag- aga agc age agg agi agk agl agn agr ai- aia aic aie aig aii aik ail ain air aka akc ake akg aki akk akl akn akr al- ala alc ale alg ali alk all aln alr an- ana anc ane ang ani ank anl ann anr ar- ara arc are arg ari ark arl arn arr c-- caa cac cae cag cai cak cal can car cca ccc cce ccg cci cck ccl ccn ccr ce- cea cec cee ceg cei cek cel cen cer cga cgc cge cgg cgi cgl cgn cgr ci- cia cic cie cig cii cik cil cin cir cka ckc cki cl- cla clc cle clg cli clk cll cln clr cn- cna cnc cne cng cni cnl cnn cnr cra crc cre crg cri crk crl crn crr eaa eac eae eag eai eak eal ean ear ec- eca ecc ece ecg eci eck ecl ecn ecr eea eec eee eeg eek eel een eer ega egc ege egg egi egl egn egr eia eic eie eig eii eik eil ein eir eka ekc eke ekg eki ekl ekr ela elc ele elg eli elk ell eln elr en- ena enc ene eng eni enk enl enn enr era erc ere erg eri erk erl ern err gaa gac gae gag gai gak gal gan gar gca gcc gce gcg gci gck gcl gcn gcr ge- gea gec gee geg gei gek gel gen ger gga ggc ggg ggi ggn ggr gia gic gie gig gii gik gil gin gir gka gkn gla glc gle glg gli glk gll gln glr gna gnc gne gni gnl gnn gnr gra grc gre grg gri grk grl grn grr ia- iaa iac iae iag iai ial ian iar ica icc ice icg ici ick icl icn icr ie- iea iec iee ieg iei iek iel ien ier iga igc ige igg igi igk igl ign igr iia iic iie iii iil iin iir ika ikc ike iki ikk ikl ikr il- ila ilc ile ilg ili ilk ill iln ilr in- ina inc ine ing ini ink inl inn inr ir- ira irc ire irg iri irk irl irn irr ka- kaa kac kae kag kai kak kal kan kar kca kcc kce kcg kci kck kcl kcn kcr ke- kea kec kee keg kei kek kel ken ker kga kgc kgi kgl kia kic kie kig kii kik kil kin kir kkc kke kki kkk kkl kkn kkr kl- kla klc klg kli klr kn- kna knc kne kng kni knk knl knn knr kra krc krg kri krk krl krn krr la- laa lac lae lag lai lak lal lan lar lca lcc lce lcg lci lck lcl lcn lcr lea lec lee leg lei lek lel len ler lga lgc lge lgg lgi lgk lgl lgn lgr lia lic lie lig lii lik lil lin lir lka lkg lkl lkr lla llc lle llg lli llk lll lln llr lna lnc lne lng lni lnk lnl lnn lnr lra lrc lrg lri lrk lrn lrr n-i naa nac nae nag nai nak nal nan nar nca ncc nce ncg nci nck ncl ncn ncr ne- nea nec nee neg nei nek nel nen ner nga ngc nge ngg ngi ngk ngl ngn nia nic nie nig nii nik nil nin nir nka nkc nke nki nkk nkn nkr nla nlc nle nlg nli nlk nll nln nlr nna nnc nne nng nni nnk nnl nnn nra nrc nre nrg nri nrk nrl nrn nrr ra- raa rac rae rag rai rak ral ran rar rca rcc rce rcg rci rcl rcn rcr re- rea rec ree reg rei rek rel ren rer rga rgc rge rgg rgi rgk rgn rgr ria ric rie rig rii rik ril rin rir rkc rke rkg rkk rla rlc rle rlg rli rll rln rlr rna rnc rng rni rnn rnr rra rrc rrg rri rrk rrl rrn rrr