-er a-a a-b a-i a-t aaa aab aae aaf aag aai aan aap aar aas aat ab- aba abb abe abf abg abi abn abp abr abs abt aea aeb aee aef aeg aei aen aep aer aes aet af- afa afb afe aff afg afi afn afp afr afs aft ag- aga agb age agf agg agi agn agp agr ags agt ai- aia aib aie aif aig aii ain aip air ais ait an- ana anb ane anf ang ani ann anp anr ans ant ap- apa apb ape apf apg api apn app apr aps apt ar- ara arb are arf arg ari arn arp arr ars art as- asa asb ase asf asg asi asn asp asr ass ast at- ata atb ate atf atg ati atn atp atr ats att b-p baa bab bae baf bag bai ban bap bar bas bat bba bbb bbe bbf bbg bbi bbn bbp bbr bbs bbt be- bea beb bee bef beg bei ben bep ber bes bet bfa bfb bfe bff bfg bfi bfn bfp bfr bfs bft bga bgb bge bgf bgg bgi bgn bgp bgr bgs bgt bi- bia bib bie bif big bii bin bip bir bis bit bna bnb bne bnf bng bni bnn bnp bnr bns bnt bpa bpb bpe bpf bpg bpi bpn bpp bpr bps bpt bra brb bre brf brg bri brn brp brr brs brt bsa bsb bse bsf bsg bsi bsn bsp bsr bss bst bta btb bte btf btg bti btn btp btr bts btt eaa eab eae eaf eag eai ean eap ear eas eat eba ebb ebe ebf ebg ebi ebn ebp ebr ebs ebt eea eeb eee eef eeg een eep eer ees eet ef- efa efb efe eff efg efi efp efr efs eft ega egb ege egf egg egi egn egp egr egs egt eia eib eie eif eig eii ein eip eir eis eit en- ena enb ene enf eng eni enn enp enr ens ent ep- epa epb epe epf epg epi epn epp epr eps ept era erb ere erf erg eri ern erp err ers ert es- esa esb ese esf esg esi esn esp esr ess est eta etb ete etf etg eti etn etp etr ets ett faa fab fae faf fag fai fan fap far fas fat fba fbb fbe fbf fbg fbi fbn fbp fbr fbs fbt fea feb fee fef feg fei fen fep fer fes fet ffa ffe fff ffg ffi ffn ffp ffr ffs fft fga fgb fge fgf fgg fgi fgn fgp fgr fgs fgt fia fib fie fif fig fii fin fip fir fis fit fna fnb fne fnf fng fni fnn fnp fnr fns fnt fpa fpb fpe fpg fpi fpn fpp fpr fps fpt fra frb fre frf frg fri frn frp frr frs frt fsa fsb fse fsf fsg fsi fsn fsp fsr fss fst fta ftb fte ftf ftg fti ftn ftp ftr fts ftt g-p gaa gab gae gaf gag gai gan gap gar gas gat gba gbe gbf gbg gbi gbn gbp gbr gbs gbt ge- gea geb gee gef geg gei gen gep ger ges get gfa gfb gfe gff gfi gfp gfr gfs gft gga ggb ggg ggi ggn ggp ggr ggs ggt gia gib gie gif gig gii gin gip gir gis git gna gnb gne gnf gni gnn gnp gnr gns gnt gpa gpb gpe gpf gpg gpi gpn gpp gpr gps gpt gra grb gre grf grg gri grn grp grr grs grt gsa gsb gse gsf gsg gsi gsn gsp gsr gss gst gta gtb gte gtf gtg gti gtn gtp gtr gts gtt i-f ia- iaa iab iae iaf iag iai ian iap iar ias iat iba ibb ibe ibf ibg ibi ibn ibp ibr ibs ibt ie- iea iee ief ieg iei ien iep ier ies iet ifa ifb ife iff ifg ifi ifn ifp ifr ifs ift iga igb ige igf igg igi ign igp igr igs igt iia iib iie iif iii iin iip iir iis iit in- ina inb ine inf ing ini inn inp inr ins int ipa ipb ipe ipf ipg ipi ipn ipp ipr ips ipt ir- ira irb ire irf irg iri irn irp irr irs irt is- isa isb ise isf isg isi isn isp isr iss ist ita itb ite itf itg iti itn itp its itt n-i naa nab nae naf nag nai nan nap nar nas nat nba nbb nbe nbf nbg nbi nbn nbp nbr nbs nbt ne- nea neb nee nef neg nei nen nep ner nes net nfa nfb nfe nff nfi nfn nfp nfr nfs nft nga ngb nge ngf ngg ngi ngn ngp ngs ngt nia nib nie nif nig nii nin nip nir nis nit nna nnb nne nnf nng nni nnn nnp nns nnt npa npb npe npf npg npi npn npp npr nps npt nra nrb nre nrf nrg nri nrn nrp nrr nrs nrt nsa nsb nse nsf nsg nsi nsn nsp nsr nss nst nta ntb nte ntf ntg nti ntn ntp ntr nts ntt p-p paa pab pae paf pag pai pan pap par pas pat pba pbb pbe pbf pbg pbi pbn pbp pbr pbs pbt pea peb pee pef peg pei pen pep per pes pet pfa pfb pfe pff pfg pfi pfn pfp pfr pfs pft pga pgb pge pgf pgg pgi pgn pgp pgr pgs pgt pia pib pie pif pig pii pin pip pir pis pit pn- pna pnb pne pnf png pni pnn pnp pnr pns pnt ppa ppb ppe ppf ppg ppi ppn ppp ppr pps ppt pra prb pre prf prg pri prn prp prr prs prt ps- psa psb pse psf psg psi psn psp psr pss pst pt- pta ptb pte ptf ptg pti ptn ptp ptr pts ptt ra- raa rab rae raf rag rai ran rap rar ras rat rba