-er a-a a-b a-i a-t aaa aab aad aae aaf aag aai aan aar aas aat ab- aba abb abd abe abf abg abi abn abr abs abt ad- ada adb add ade adf adg adi adn adr ads adt aea aeb aed aee aef aeg aei aen aer aes aet af- afa afb afd afe aff afg afi afn afr afs aft ag- aga agb agd age agf agg agi agn agr ags agt ai- aia aib aid aie aif aig aii ain air ais ait an- ana anb and ane anf ang ani ann anr ans ant ar- ara arb ard are arf arg ari arn arr ars art as- asa asb asd ase asf asg asi asn asr ass ast at- ata atb atd ate atf atg ati atn atr ats att baa bab bad bae baf bag bai ban bar bas bat bba bbb bbd bbe bbf bbg bbi bbn bbr bbs bbt bda bdb bdd bde bdf bdg bdi bdr bds bdt be- bea beb bed bee bef beg bei ben ber bes bet bfa bfb bfd bfe bff bfg bfi bfn bfr bfs bft bga bgb bgd bge bgf bgg bgi bgn bgr bgs bgt bi- bia bib bid bie bif big bii bin bir bis bit bna bnb bnd bne bnf bng bni bnn bnr bns bnt bra brb brd bre brf brg bri brn brr brs brt bsa bsb bsd bse bsf bsg bsi bsn bsr bss bst bta btb btd bte btf btg bti btn btr bts btt daa dab dad dae daf dag dai dan dar das dat dba dbb dbd dbe dbf dbg dbi dbn dbr dbs dbt dda ddb ddd dde ddf ddg ddi ddn ddr dds ddt de- dea deb ded dee def deg dei den der des det dfa dfb dfd dfe dff dfg dfi dfn dfr dfs dft dga dgd dge dgf dgg dgi dgn dgr dgs dgt di- dia dib did die dif dig dii din dir dis dit dna dnb dnd dne dnf dng dni dnn dnr dns dnt dra drb drd dre drg dri drn drr drs drt dsa dsb dsd dse dsf dsg dsi dsn dsr dss dst dta dtb dtd dte dtf dtg dti dtn dtr dts dtt eaa eab ead eae eaf eag eai ean ear eas eat eba ebb ebd ebe ebf ebg ebi ebn ebr ebs ebt ed- eda edb edd ede edf edg edi edn edr eds edt eea eeb eed eee eef eeg een eer ees eet ef- efa efb efd efe eff efg efi efr efs eft ega egb egd ege egf egg egi egn egr egs egt eia eib eid eie eif eig eii ein eir eis eit en- ena enb end ene enf eng eni enn enr ens ent era erb erd ere erf erg eri ern err ers ert es- esa esb esd ese esf esg esi esn esr ess est eta etb etd ete etf etg eti etn etr ets ett faa fab fad fae faf fag fai fan far fas fat fba fbb fbd fbe fbf fbg fbi fbn fbr fbs fbt fda fdb fdd fde fdf fdg fdi fdn fdr fds fdt fea feb fed fee fef feg fei fen fer fes fet ffa ffd ffe fff ffg ffi ffn ffr ffs fft fga fgb fgd fge fgf fgg fgi fgn fgr fgs fgt fia fib fid fie fif fig fii fin fir fis fit fna fnb fnd fne fnf fng fni fnn fnr fns fnt fra frb frd fre frf frg fri frn frr frs frt fsa fsb fsd fse fsf fsg fsi fsn fsr fss fst fta ftb ftd fte ftf ftg fti ftn ftr fts ftt g-d gaa gab gad gae gaf gag gai gan gar gas gat gba gbd gbe gbf gbg gbi gbn gbr gbs gbt gda gdb gdd gde gdf gdi gdn gdr gds gdt ge- gea geb ged gee gef geg gei gen ger ges get gfa gfb gfd gfe gff gfi gfr gfs gft gga ggb ggd ggg ggi ggn ggr ggs ggt gia gib gid gie gif gig gii gin gir gis git gna gnb gnd gne gnf gni gnn gnr gns gnt gra grb grd gre grf grg gri grn grr grs grt gsa gsb gsd gse gsf gsg gsi gsn gsr gss gst gta gtb gtd gte gtf gtg gti gtn gtr gts gtt i-d i-f ia- iaa iab iad iae iaf iag iai ian iar ias iat iba ibb ibd ibe ibf ibg ibi ibn ibr ibs ibt ida idb idd ide idf idg idi idn idr ids idt ie- iea ied iee ief ieg iei ien ier ies iet ifa ifb ifd ife iff ifg ifi ifn ifr ifs ift iga igb igd ige igf igg igi ign igr igs igt iia iib iid iie iif iii iin iir iis iit in- ina inb ind ine inf ing ini inn inr ins int ir- ira irb ird ire irf irg iri irn irr irs irt is- isa isb isd ise isf isg isi isn isr iss ist ita itb itd ite itf itg iti itn its itt n-i naa nab nad nae naf nag nai nan nar nas nat nba nbb nbd nbe nbf nbg nbi nbn nbr nbs nbt nda ndb ndd nde ndf ndg ndi ndn ndr nds ndt ne- nea neb ned nee nef neg nei nen ner nes net nfa nfb nfd nfe nff nfi nfn nfr nfs nft nga ngb ngd nge ngf ngg ngi ngn ngs ngt nia nib nid nie nif nig nii nin nir nis nit nna nnb nne nnf nng nni nnn nns nnt nra nrb nrd nre nrf nrg nri nrn nrr nrs nrt nsa nsb nsd nse nsf nsg nsi nsn nsr nss nst nta ntb ntd nte ntf ntg nti ntn ntr nts ntt ra- raa rab rad rae raf rag rai ran rar ras rat rba rbb rbd rbe rbf rbg rbi