-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aag aai aan aap aar aat ab- aba abb abc abe abf abg abi abn abp abr abt ac- aca acb acc ace acf acg aci acn acp acr act aea aeb aec aee aef aeg aei aen aep aer aet af- afa afb afc afe aff afg afi afn afp afr aft ag- aga agb agc age agf agg agi agn agp agr agt ai- aia aib aic aie aif aig aii ain aip air ait an- ana anb anc ane anf ang ani ann anp anr ant ap- apa apb apc ape apf apg api apn app apr apt ar- ara arb arc are arf arg ari arn arp arr art at- ata atb atc ate atf atg ati atn atp atr att b-p baa bab bac bae baf bag bai ban bap bar bat bba bbb bbc bbe bbf bbg bbi bbn bbp bbr bbt bca bcb bcc bce bcf bcg bci bcn bcp bcr bct be- bea beb bec bee bef beg bei ben bep ber bet bfa bfb bfc bfe bff bfg bfi bfn bfp bfr bft bga bgb bgc bge bgf bgg bgi bgn bgp bgr bgt bi- bia bib bic bie bif big bii bin bip bir bit bna bnb bnc bne bnf bng bni bnn bnp bnr bnt bpa bpb bpc bpe bpf bpg bpi bpn bpp bpr bpt bra brb bre brf brg bri brn brp brr brt bta btb btc bte btf btg bti btn btp btr btt c-- caa cab cac cae caf cag cai can cap car cat cba cbb cbc cbe cbf cbg cbi cbn cbp cbr cbt cca ccb ccc cce ccf ccg cci ccn ccp ccr cct ce- cea ceb cec cee cef ceg cei cen cep cer cet cfa cfb cfc cfe cff cfg cfi cfn cfp cfr cft cga cgb cgc cge cgg cgi cgn cgp cgr cgt ci- cia cib cic cie cif cig cii cin cip cir cit cn- cna cnb cnc cne cnf cng cni cnn cnp cnr cnt cpa cpb cpc cpe cpf cpg cpi cpn cpp cpr cpt cra crb crc cre crf crg cri crn crp crr crt cta ctb ctc cte ctf ctg cti ctn ctp ctr ctt eaa eab eac eae eaf eag eai ean eap ear eat eba ebb ebc ebe ebf ebg ebi ebn ebp ebr ebt ec- eca ecb ecc ece ecf ecg eci ecn ecr ect eea eeb eec eee eef eeg een eep eer eet ef- efa efb efc efe eff efg efi efp efr eft ega egb egc ege egf egg egi egn egp egr egt eia eib eic eie eif eig eii ein eip eir eit en- ena enb enc ene enf eng eni enn enp enr ent ep- epa epb epc epe epf epg epi epn epp epr ept era erb erc ere erf erg eri ern erp err ert eta etb etc ete etf etg eti etn etp etr ett faa fab fac fae faf fag fai fan fap far fat fba fbb fbc fbe fbf fbg fbi fbn fbp fbr fbt fca fcb fcc fce fcf fcg fci fcn fcp fcr fct fea feb fec fee fef feg fei fen fep fer fet ffa ffc ffe fff ffg ffi ffn ffp ffr fft fga fgb fgc fge fgf fgg fgi fgn fgp fgr fgt fia fib fic fie fif fig fii fin fip fir fit fna fnb fnc fne fnf fng fni fnn fnp fnr fnt fpa fpb fpc fpe fpg fpi fpn fpp fpr fpt fra frb frc fre frf frg fri frn frp frr frt fta ftb ftc fte ftf ftg fti ftn ftp ftr ftt g-p gaa gab gac gae gaf gag gai gan gap gar gat gba gbc gbe gbf gbg gbi gbn gbp gbr gbt gca gcb gcc gce gcf gcg gci gcn gcp gcr gct ge- gea geb gec gee gef geg gei gen gep ger get gfa gfb gfc gfe gff gfi gfp gfr gft gga ggb ggc ggg ggi ggn ggp ggr ggt gia gib gic gie gif gig gii gin gip gir git gna gnb gnc gne gnf gni gnn gnp gnr gnt gpa gpb gpc gpe gpf gpg gpi gpn gpp gpr gpt gra grb grc gre grf grg gri grn grp grr grt gta gtb gtc gte gtf gtg gti gtn gtp gtr gtt i-f ia- iaa iab iac iae iaf iag iai ian iap iar iat iba ibb ibc ibe ibf ibg ibi ibn ibp ibr ibt ica icb icc ice icf icg ici icn icp icr ict ie- iea iec iee ief ieg iei ien iep ier iet ifa ifb ifc ife iff ifg ifi ifn ifp ifr ift iga igb igc ige igf igg igi ign igp igr igt iia iib iic iie iif iii iin iip iir iit in- ina inb inc ine inf ing ini inn inp inr int ipa ipb ipc ipe ipf ipg ipi ipn ipp ipr ipt ir- ira irb irc ire irf irg iri irn irp irr irt ita itb itc ite itf itg iti itn itp itt n-i naa nab nac nae naf nag nai nan nap nar nat nba nbb nbc nbe nbf nbg nbi nbn nbp nbr nbt nca ncb ncc nce ncf ncg nci ncn ncp ncr nct ne- nea neb nec nee nef neg nei nen nep ner net nfa nfb nfc nfe nff nfi nfn nfp nfr nft nga ngb ngc nge ngf ngg ngi ngn ngp ngt nia nib nic nie nif nig nii nin nip nir nit nna nnb nnc nne nnf nng nni nnn nnp nnt npa npb npc npe npf npg npi npn npp npr npt nra nrb nrc nre nrf nrg nri nrn nrp nrr nrt nta ntb ntc nte ntf ntg nti ntn ntp ntr ntt p-p paa pab pac pae paf pag pai pan pap par pat pba pbb pbc