a-a a-b a-i a-t aaa aab aad aaf aag aai aan aao aar aat ab- aba abb abd abf abg abi abn abo abr abt ad- ada adb add adf adg adi adn ado adr adt af- afa afb afd aff afg afi afn afo afr aft ag- aga agb agd agf agg agi agn ago agr agt ai- aia aib aid aif aig aii ain aio air ait an- ana anb and anf ang ani ann ano anr ant aoa aob aod aof aog aoi aon aoo aor aot ar- ara arb ard arf arg ari arn aro arr art at- ata atb atd atf atg ati atn ato atr att baa bab bad baf bag bai ban bao bar bat bba bbb bbd bbf bbg bbi bbn bbo bbr bbt bda bdb bdd bdf bdg bdi bdo bdr bdt bfa bfb bfd bff bfg bfi bfn bfo bfr bft bga bgb bgd bgf bgg bgi bgn bgo bgr bgt bi- bia bib bid bif big bii bin bio bir bit bna bnb bnd bnf bng bni bnn bno bnr bnt boa bob bod bof bog boi bon boo bor bot bra brb brd brf brg bri brn bro brr brt bta btb btd btf btg bti btn bto btr btt daa dab dad daf dag dai dan dao dar dat dba dbb dbd dbf dbg dbi dbn dbo dbr dbt dda ddb ddd ddf ddg ddi ddn ddo ddr ddt dfa dfb dfd dff dfg dfi dfn dfo dfr dft dga dgd dgf dgg dgi dgn dgr dgt di- dia dib did dif dig dii din dio dir dit dna dnb dnd dnf dng dni dnn dno dnr dnt doa dob dod dof dog doi don doo dor dot dra drb drd drg dri drn dro drr drt dta dtb dtd dtf dtg dti dtn dto dtr dtt faa fab fad faf fag fai fan fao far fat fba fbb fbd fbf fbg fbi fbn fbo fbr fbt fda fdb fdd fdf fdg fdi fdn fdo fdr fdt ffa ffd fff ffg ffi ffn ffo ffr fft fga fgb fgd fgf fgg fgi fgn fgr fgt fia fib fid fif fig fii fin fir fit fna fnb fnd fnf fng fni fnn fnr fnt foa fob fof fog foi fon foo for fot fra frb frd frf frg fri frn fro frr frt fta ftb ftd ftf ftg fti ftn fto ftr ftt g-d gaa gab gad gaf gag gai gan gao gar gat gba gbd gbf gbg gbi gbn gbo gbr gbt gda gdb gdd gdf gdi gdn gdo gdr gdt gfa gfb gfd gff gfi gfo gfr gft gga ggb ggd ggg ggi ggn ggo ggr ggt gia gib gid gif gig gii gin gio gir git gna gnb gnd gnf gni gnn gno gnr gnt goa gob god gof gog goi gon goo gor got gra grb grd grf grg gri grn gro grr grt gta gtb gtd gtf gtg gti gtn gto gtr gtt i-d i-f ia- iaa iab iad iaf iag iai ian iao iar iat iba ibb ibd ibf ibg ibi ibn ibo ibr ibt ida idb idd idf idg idi idn ido idr idt ifa ifb ifd iff ifg ifi ifn ifo ifr ift iga igb igd igf igg igi ign igo igr igt iia iib iid iif iii iin iio iir iit in- ina inb ind inf ing ini inn ino inr int io- ioa iob iod iof iog ioi ion ioo ior iot ir- ira irb ird irf irg iri irn iro irr irt ita itb itd itf itg iti itn ito itt n-i naa nab nad naf nag nai nan nao nar nat nba nbb nbd nbf nbg nbi nbn nbo nbr nbt nda ndb ndd ndf ndg ndi ndn ndo ndr ndt nfa nfb nfd nff nfi nfn nfo nfr nft nga ngb ngd ngf ngg ngi ngn ngo ngt nia nib nid nif nig nii nin nio nir nit nna nnb nnf nng nni nnn nno nnt no- noa nob nod nof nog noi non noo nor not nra nrb nrd nrf nrg nri nrn nro nrr nrt nta ntb ntd ntf ntg nti ntn nto ntr ntt o-i oaa oab oad oaf oag oai oan oao oar oat ob- oba obb obd obf obg obi obn obo obr obt oda odb odd odf odg odi odn odo odr odt of- ofa ofb ofd off ofg ofi ofn ofo ofr oft oga ogd ogf ogg ogi ogn ogo ogt oia oib oid oif oii oin oio oir oit on- ona onb ond onf ong oni onn ono onr ont oo- ooa oob ood oof oog ooi oon ooo oor oot or- ora orb ord orf org ori orn oro orr ort ot- ota otb otd otf otg oti otn oto otr ott ra- raa rab rad raf rag rai ran rao rar rat rba rbb rbd rbf rbg rbi rbn rbo rbr rbt rda rdb rdd rdf rdg rdi rdn rdo rdr rdt rfa rfb rfd rff rfg rfi rfn rfo rfr rft rga rgb rgd rgf rgg rgi rgn rgo rgr rgt ria rib rid rif rig rii rin rio rir rit rna rnb rnd rng rni rnn rno rnr rnt roa rob rod rof rog roi ron roo ror rot rra rrb rrd rrf rrg rri rrn rrr rrt rta rtb rtd rtf rtg rti rtn rto rtr rtt taa tab tad taf tag tai tan tao tar tat tba tbb tbd tbf tbg tbi tbn tbo tbr tbt tda tdb tdd tdf tdg tdi tdn tdo tdr tdt tfa tfb tfd tff tfg tfi tfn tfo tfr tft tga tgb tgf tgg tgi tgn tgo tgr tgt tia tib tid tif tig tii tin tio tir tit tna tnb tnd tnf tng tni tnn tno tnr tnt to- toa tob tod tof tog toi ton too tor tot tra trb trd trf trg tri trn tro trr trt tta ttb ttd ttf ttg