-er a-a a-b a-i a-t aaa aab aad aae aag aai aak aan aar aat ab- aba abb abd abe abg abi abk abn abr abt ad- ada adb add ade adg adi adk adn adr adt aea aeb aed aee aeg aei aek aen aer aet ag- aga agb agd age agg agi agk agn agr agt ai- aia aib aid aie aig aii aik ain air ait aka akb akd ake akg aki akk akn akr an- ana anb and ane ang ani ank ann anr ant ar- ara arb ard are arg ari ark arn arr art at- ata atb atd ate atg ati atn atr att baa bab bad bae bag bai bak ban bar bat bba bbb bbd bbe bbg bbi bbk bbn bbr bbt bda bdb bdd bde bdg bdi bdk bdr bdt be- bea beb bed bee beg bei bek ben ber bet bga bgb bgd bge bgg bgi bgk bgn bgr bgt bi- bia bib bid bie big bii bik bin bir bit bka bkb bke bkg bkk bkn bkr bkt bna bnb bnd bne bng bni bnk bnn bnr bnt bra brb brd bre brg bri brk brn brr brt bta btb btd bte btg bti btk btn btr btt daa dab dad dae dag dai dak dan dar dat dba dbb dbd dbe dbg dbi dbk dbn dbr dbt dda ddb ddd dde ddg ddi ddk ddn ddr ddt de- dea deb ded dee deg dei dek den der det dga dgd dge dgg dgi dgk dgn dgr dgt di- dia dib did die dig dii dik din dir dit dka dkb dke dkg dki dkk dkr dkt dna dnb dnd dne dng dni dnk dnn dnr dnt dra drb drd dre drg dri drk drn drr drt dta dtb dtd dte dtg dti dtk dtn dtr dtt eaa eab ead eae eag eai eak ean ear eat eba ebb ebd ebe ebg ebi ebk ebn ebr ebt ed- eda edb edd ede edg edi edk edn edr edt eea eeb eed eee eeg eek een eer eet ega egb egd ege egg egi egn egr egt eia eib eid eie eig eii eik ein eir eit eka ekb ekd eke ekg eki ekr ekt en- ena enb end ene eng eni enk enn enr ent era erb erd ere erg eri erk ern err ert eta etb etd ete etg eti etk etn etr ett g-d gaa gab gad gae gag gai gak gan gar gat gba gbd gbe gbg gbi gbk gbn gbr gbt gda gdb gdd gde gdi gdk gdn gdr gdt ge- gea geb ged gee geg gei gek gen ger get gga ggb ggd ggg ggi ggn ggr ggt gia gib gid gie gig gii gik gin gir git gka gkb gkd gkn gkt gna gnb gnd gne gni gnn gnr gnt gra grb grd gre grg gri grk grn grr grt gta gtb gtd gte gtg gti gtk gtn gtr gtt i-d ia- iaa iab iad iae iag iai ian iar iat iba ibb ibd ibe ibg ibi ibk ibn ibr ibt ida idb idd ide idg idi idk idn idr idt ie- iea ied iee ieg iei iek ien ier iet iga igb igd ige igg igi igk ign igr igt iia iib iid iie iii iin iir iit ika ikb ike iki ikk ikr ikt in- ina inb ind ine ing ini ink inn inr int ir- ira irb ird ire irg iri irk irn irr irt ita itb itd ite itg iti itk itn itt k-t ka- kaa kab kad kae kag kai kak kan kar kat kba kbb kbd kbe kbi kbk kbn kbr kda kdb kde kdg kdk kdr kdt ke- kea keb ked kee keg kei kek ken ker ket kga kgb kgd kgi kia kib kid kie kig kii kik kin kir kit kkb kke kki kkk kkn kkr kkt kn- kna knd kne kng kni knk knn knr knt kra krd krg kri krk krn krr krt kta ktb kte ktg ktk ktn ktr ktt n-i naa nab nad nae nag nai nak nan nar nat nba nbb nbd nbe nbg nbi nbk nbn nbr nbt nda ndb ndd nde ndg ndi ndk ndn ndr ndt ne- nea neb ned nee neg nei nek nen ner net nga ngb ngd nge ngg ngi ngk ngn ngt nia nib nid nie nig nii nik nin nir nit nka nke nki nkk nkn nkr nkt nna nnb nne nng nni nnk nnn nnt nra nrb nrd nre nrg nri nrk nrn nrr nrt nta ntb ntd nte ntg nti ntk ntn ntr ntt ra- raa rab rad rae rag rai rak ran rar rat rba rbb rbd rbe rbg rbi rbk rbn rbr rbt rda rdb rdd rde rdg rdi rdn rdr rdt re- rea reb red ree reg rei rek ren rer ret rga rgb rgd rge rgg rgi rgk rgn rgr rgt ria rib rid rie rig rii rik rin rir rit rkb rke rkg rkk rkt rna rnb rnd rng rni rnn rnr rnt rra rrb rrd rrg rri rrk rrn rrr rrt rta rtb rtd rte rtg rti rtk rtn rtr rtt taa tab tad tae tag tai tak tan tar tat tba tbb tbd tbe tbg tbi tbk tbn tbr tbt tda tdb tdd tde tdg tdi tdk tdn tdr tdt te- tea teb ted tee teg tei tek ten ter tet tga tgb tge tgg tgi tgk tgn tgr tgt tia tib tid tie tig tii tik tin tir tit tka tkb tke tkg tkk tkr tkt tna tnb tnd tne tng tni tnk tnn tnr tnt tra trb trd tre trg tri trk trn trr trt tta ttb ttd tte ttg tti ttk ttn ttr ttt