-er a-a a-b a-i a-t aaa aab aad aae aag aai aam aan aar aat ab- aba abb abd abe abg abi abm abn abr abt ad- ada adb add ade adg adi adm adn adr adt aea aeb aed aee aeg aei aem aen aer aet ag- aga agb agd age agg agi agm agn agr agt ai- aia aib aid aie aig aii aim ain air ait ama amb amd ame amg ami amm amn amr amt an- ana anb and ane ang ani anm ann anr ant ar- ara arb ard are arg ari arm arn arr art at- ata atb atd ate atg ati atm atn atr att baa bab bad bae bag bai bam ban bar bat bba bbb bbd bbe bbg bbi bbm bbn bbr bbt bda bdb bdd bde bdg bdi bdm bdr bdt be- bea beb bed bee beg bei bem ben ber bet bga bgb bgd bge bgg bgi bgm bgn bgr bgt bi- bia bib bid bie big bii bim bin bir bit bma bmb bmd bme bmg bmi bmm bmn bmr bmt bna bnb bnd bne bng bni bnn bnr bnt bra brb brd bre brg bri brm brn brr brt bta btb btd bte btg bti btm btn btr btt daa dab dad dae dag dai dam dan dar dat dba dbb dbd dbe dbg dbi dbm dbn dbr dbt dda ddb ddd dde ddg ddi ddm ddn ddr ddt de- dea deb ded dee deg dei dem den der det dga dgd dge dgg dgi dgm dgn dgr dgt di- dia dib did die dig dii dim din dir dit dma dmb dmd dme dmg dmi dmm dmn dmr dmt dna dnb dnd dne dng dni dnm dnn dnr dnt dra drb drd dre drg dri drm drn drr drt dta dtb dtd dte dtg dti dtm dtn dtr dtt eaa eab ead eae eag eai eam ean ear eat eba ebb ebd ebe ebg ebi ebm ebn ebr ebt ed- eda edb edd ede edg edi edm edn edr edt eea eeb eed eee eeg eem een eer eet ega egb egd ege egg egi egm egn egr egt eia eib eid eie eig eii eim ein eir eit em- ema emb emd eme emg emi emm emn emr emt en- ena enb end ene eng eni enm enn enr ent era erb erd ere erg eri erm ern err ert eta etb etd ete etg eti etm etn etr ett g-d gaa gab gad gae gag gai gam gan gar gat gba gbd gbe gbg gbi gbm gbn gbr gbt gda gdb gdd gde gdi gdm gdn gdr gdt ge- gea geb ged gee geg gei gem gen ger get gga ggb ggd ggg ggi ggm ggn ggr ggt gia gib gid gie gig gii gim gin gir git gma gmb gmd gme gmg gmi gmm gmn gmr gmt gna gnb gnd gne gni gnm gnn gnr gnt gra grb grd gre grg gri grm grn grr grt gta gtb gtd gte gtg gti gtm gtn gtr gtt i-d ia- iaa iab iad iae iag iai iam ian iar iat iba ibb ibd ibe ibg ibi ibm ibn ibr ibt ida idb idd ide idg idi idm idn idr idt ie- iea ied iee ieg iei iem ien ier iet iga igb igd ige igg igi igm ign igr igt iia iib iid iie iii iim iin iir iit im- ima imb imd ime img imi imm imn imt in- ina inb ind ine ing ini inm inn inr int ir- ira irb ird ire irg iri irm irn irr irt ita itb itd ite itg iti itm itn itt m-r maa mab mad mae mag mai mam man mar mat mba mbb mbd mbe mbg mbi mbm mbr mbt mda mdb mdd mde mdg mdi mdm mdn mdr mdt mea meb med mee meg mei mem men mer met mga mgb mgd mge mgi mgm mgn mgr mgt mi- mia mib mid mie mig mii mim min mir mit mma mmb mmd mme mmg mmi mmm mmn mmr mmt mna mnb mne mng mni mnm mnn mnr mnt mra mrb mrd mre mrg mri mrm mrn mrr mrt mta mtb mtd mte mtg mti mtm mtn mtr mtt n-i naa nab nad nae nag nai nam nan nar nat nba nbb nbd nbe nbg nbi nbm nbn nbr nbt nda ndb ndd nde ndg ndi ndm ndn ndr ndt ne- nea neb ned nee neg nei nem nen ner net nga ngb ngd nge ngg ngi ngm ngn ngt nia nib nid nie nig nii nim nin nir nit nma nmb nmd nme nmg nmi nmm nmn nmr nmt nna nnb nne nng nni nnm nnn nnt nra nrb nrd nre nrg nri nrm nrn nrr nrt nta ntb ntd nte ntg nti ntm ntn ntr ntt ra- raa rab rad rae rag rai ram ran rar rat rba rbb rbd rbe rbg rbi rbm rbn rbr rbt rda rdb rdd rde rdg rdi rdm rdn rdr rdt re- rea reb red ree reg rei rem ren rer ret rga rgb rgd rge rgg rgi rgn rgr rgt ria rib rid rie rig rii rim rin rir rit rma rmb rmd rme rmg rmi rmm rmn rmr rmt rna rnb rnd rng rni rnm rnn rnr rnt rra rrb rrd rrg rri rrm rrn rrr rrt rta rtb rtd rte rtg rti rtm rtn rtr rtt taa tab tad tae tag tai tam tan tar tat tba tbb tbd tbe tbg tbi tbm tbn tbr tbt tda tdb tdd tde tdg tdi tdm tdn tdr tdt te- tea teb ted tee teg tei tem ten ter tet tga tgb tge tgg tgi tgm tgn tgr tgt tia tib tid tie tig tii tim tin tir tit tma tmb tmd tme tmg tmi tmm tmn tmr tmt tna tnb tnd tne tng tni tnm tnn tnr tnt tra trb trd tre trg tri trm trn