-al -er -ic a-a a-c a-i aaa aac aae aaf aag aai aak aal aan aar ac- aca acc ace acf acg aci ack acl acn acr aea aec aee aef aeg aei aek ael aen aer af- afa afc afe aff afg afi afk afl afn afr ag- aga agc age agf agg agi agk agl agn agr ai- aia aic aie aif aig aii aik ail ain air aka akc ake akg aki akk akl akn akr al- ala alc ale alf alg ali alk all aln alr an- ana anc ane anf ang ani ank anl ann anr ar- ara arc are arf arg ari ark arl arn arr c-- caa cac cae caf cag cai cak cal can car cca ccc cce ccf ccg cci cck ccl ccn ccr ce- cea cec cee cef ceg cei cek cel cen cer cfa cfc cfe cff cfg cfi cfk cfl cfn cfr cga cgc cge cgg cgi cgl cgn cgr ci- cia cic cie cif cig cii cik cil cin cir cka ckc cki cl- cla clc cle clf clg cli clk cll cln clr cn- cna cnc cne cnf cng cni cnl cnn cnr cra crc cre crf crg cri crk crl crn crr eaa eac eae eaf eag eai eak eal ean ear ec- eca ecc ece ecf ecg eci eck ecl ecn ecr eea eec eee eef eeg eek eel een eer ef- efa efc efe eff efg efi efl efr ega egc ege egf egg egi egl egn egr eia eic eie eif eig eii eik eil ein eir eka ekc eke ekf ekg eki ekl ekr ela elc ele elf elg eli elk ell eln elr en- ena enc ene enf eng eni enk enl enn enr era erc ere erf erg eri erk erl ern err faa fac fae faf fag fai fak fal fan far fca fcc fce fcf fcg fci fck fcl fcn fcr fea fec fee fef feg fei fek fel fen fer ffa ffc ffe fff ffg ffi ffk ffl ffn ffr fga fgc fge fgf fgg fgi fgl fgn fgr fia fic fie fif fig fii fik fil fin fir fka fkc fkf fkg fki fkk fkl fla flc fle flf flg fli fll fln flr fna fnc fne fnf fng fni fnk fnl fnn fnr fra frc fre frf frg fri frk frl frn frr gaa gac gae gaf gag gai gak gal gan gar gca gcc gce gcf gcg gci gck gcl gcn gcr ge- gea gec gee gef geg gei gek gel gen ger gfa gfc gfe gff gfi gfk gfl gfr gga ggc ggg ggi ggn ggr gia gic gie gif gig gii gik gil gin gir gka gkn gla glc gle glf glg gli glk gll gln glr gna gnc gne gnf gni gnl gnn gnr gra grc gre grf grg gri grk grl grn grr i-f ia- iaa iac iae iaf iag iai ial ian iar ica icc ice icf icg ici ick icl icn icr ie- iea iec iee ief ieg iei iek iel ien ier ifa ifc ife iff ifg ifi ifl ifn ifr iga igc ige igf igg igi igk igl ign igr iia iic iie iif iii iil iin iir ika ikc ike ikf iki ikk ikl ikr il- ila ilc ile ilf ilg ili ilk ill iln ilr in- ina inc ine inf ing ini ink inl inn inr ir- ira irc ire irf irg iri irk irl irn irr ka- kaa kac kae kaf kag kai kak kal kan kar kca kcc kce kcg kci kck kcl kcn kcr ke- kea kec kee kef keg kei kek kel ken ker kfa kfc kff kfg kfi kga kgc kgf kgi kgl kia kic kie kif kig kii kik kil kin kir kkc kke kki kkk kkl kkn kkr kl- kla klc klf klg kli klr kn- kna knc kne knf kng kni knk knl knn knr kra krc krf krg kri krk krl krn krr la- laa lac lae laf lag lai lak lal lan lar lca lcc lce lcf lcg lci lck lcl lcn lcr lea lec lee lef leg lei lek lel len ler lfa lfc lfe lff lfg lfi lfk lfl lfn lfr lga lgc lge lgf lgg lgi lgk lgl lgn lgr lia lic lie lif lig lii lik lil lin lir lka lkg lkl lkr lla llc lle llf llg lli llk lll lln llr lna lnc lne lng lni lnk lnl lnn lnr lra lrc lrf lrg lri lrk lrn lrr n-i naa nac nae naf nag nai nak nal nan nar nca ncc nce ncf ncg nci nck ncl ncn ncr ne- nea nec nee nef neg nei nek nel nen ner nfa nfc nfe nff nfi nfk nfl nfn nfr nga ngc nge ngf ngg ngi ngk ngl ngn nia nic nie nif nig nii nik nil nin nir nka nkc nke nkf nki nkk nkn nkr nla nlc nle nlf nlg nli nlk nll nln nlr nna nnc nne nnf nng nni nnk nnl nnn nra nrc nre nrf nrg nri nrk nrl nrn nrr ra- raa rac rae raf rag rai rak ral ran rar rca rcc rce rcf rcg rci rcl rcn rcr re- rea rec ree ref reg rei rek rel ren rer rfa rfc rfe rff rfg rfi rfk rfl rfn rfr rga rgc rge rgf rgg rgi rgk rgn rgr ria ric rie rif rig rii rik ril rin rir rkc rke rkf rkg rkk rla rlc rle rlf rlg rli rll rln rlr rna rnc rng rni rnn rnr rra rrc rrf rrg rri rrk rrl rrn rrr