a-a a-b a-i a-t aaa aab aad aaf aai aam aan aao aar aat ab- aba abb abd abf abi abm abn abo abr abt ad- ada adb add adf adi adm adn ado adr adt af- afa afb afd aff afi afm afn afo afr aft ai- aia aib aid aif aii aim ain aio air ait ama amb amd amf ami amm amn amo amr amt an- ana anb and anf ani anm ann ano anr ant aoa aob aod aof aoi aom aon aoo aor aot ar- ara arb ard arf ari arm arn aro arr art at- ata atb atd atf ati atm atn ato atr att baa bab bad baf bai bam ban bao bar bat bba bbb bbd bbf bbi bbm bbn bbo bbr bbt bda bdb bdd bdf bdi bdm bdo bdr bdt bfa bfb bfd bff bfi bfm bfn bfo bfr bft bi- bia bib bid bif bii bim bin bio bir bit bma bmb bmd bmf bmi bmm bmn bmo bmr bmt bna bnb bnd bnf bni bnn bno bnr bnt boa bob bod bof boi bom bon boo bor bot bra brb brd brf bri brm brn bro brr brt bta btb btd btf bti btm btn bto btr btt daa dab dad daf dai dam dan dao dar dat dba dbb dbd dbf dbi dbm dbn dbo dbr dbt dda ddb ddd ddf ddi ddm ddn ddo ddr ddt dfa dfb dfd dff dfi dfm dfn dfo dfr dft di- dia dib did dif dii dim din dio dir dit dma dmb dmd dmf dmi dmm dmn dmo dmr dmt dna dnb dnd dnf dni dnm dnn dno dnr dnt doa dob dod dof doi dom don doo dor dot dra drb drd dri drm drn dro drr drt dta dtb dtd dtf dti dtm dtn dto dtr dtt faa fab fad faf fai fam fan fao far fat fba fbb fbd fbf fbi fbm fbn fbo fbr fbt fda fdb fdd fdf fdi fdm fdn fdo fdr fdt ffa ffd fff ffi ffm ffn ffo ffr fft fia fib fid fif fii fim fin fir fit fma fmb fmd fmf fmi fmm fmn fmo fmr fmt fna fnb fnd fnf fni fnm fnn fnr fnt foa fob fof foi fom fon foo for fot fra frb frd frf fri frm frn fro frr frt fta ftb ftd ftf fti ftm ftn fto ftr ftt i-d i-f ia- iaa iab iad iaf iai iam ian iao iar iat iba ibb ibd ibf ibi ibm ibn ibo ibr ibt ida idb idd idf idi idm idn ido idr idt ifa ifb ifd iff ifi ifm ifn ifo ifr ift iia iib iid iif iii iim iin iio iir iit im- ima imb imd imf imi imm imn imo imt in- ina inb ind inf ini inm inn ino inr int io- ioa iob iod iof ioi iom ion ioo ior iot ir- ira irb ird irf iri irm irn iro irr irt ita itb itd itf iti itm itn ito itt m-f m-o m-r maa mab mad maf mai mam man mao mar mat mba mbb mbd mbf mbi mbm mbo mbr mbt mda mdb mdd mdf mdi mdm mdn mdo mdr mdt mfa mfb mfd mff mfi mfm mfn mfo mfr mft mi- mia mib mid mif mii mim min mio mir mit mma mmb mmd mmf mmi mmm mmn mmo mmr mmt mna mnb mnf mni mnm mnn mno mnr mnt moa mob mod mof moi mom mon moo mor mot mra mrb mrd mrf mri mrm mrn mro mrr mrt mta mtb mtd mtf mti mtm mtn mto mtr mtt n-i naa nab nad naf nai nam nan nao nar nat nba nbb nbd nbf nbi nbm nbn nbo nbr nbt nda ndb ndd ndf ndi ndm ndn ndo ndr ndt nfa nfb nfd nff nfi nfn nfo nfr nft nia nib nid nif nii nim nin nio nir nit nma nmb nmd nmi nmm nmn nmo nmr nmt nna nnb nnf nni nnm nnn nno nnt no- noa nob nod nof noi nom non noo nor not nra nrb nrd nrf nri nrm nrn nro nrr nrt nta ntb ntd ntf nti ntm ntn nto ntr ntt o-i oaa oab oad oaf oai oam oan oao oar oat ob- oba obb obd obf obi obm obn obo obr obt oda odb odd odf odi odm odn odo odr odt of- ofa ofb ofd off ofi ofm ofn ofo ofr oft oia oib oid oif oii oim oin oio oir oit om- oma omb omd omf omi omm omn omo omr omt on- ona onb ond onf oni onn ono onr ont oo- ooa oob ood oof ooi oom oon ooo oor oot or- ora orb ord orf ori orm orn oro orr ort ot- ota otb otd otf oti otm otn oto otr ott ra- raa rab rad raf rai ram ran rao rar rat rba rbb rbd rbf rbi rbm rbn rbo rbr rbt rda rdb rdd rdf rdi rdm rdn rdo rdr rdt rfa rfb rfd rff rfi rfm rfn rfo rfr rft ria rib rid rif rii rim rin rio rir rit rma rmb rmd rmf rmi rmm rmn rmo rmr rmt rna rnb rnd rni rnm rnn rno rnr rnt roa rob rod rof roi rom ron roo ror rot rra rrb rrd rrf rri rrm rrn rrr rrt rta rtb rtd rtf rti rtm rtn rto rtr rtt taa tab tad taf tai tam tan tao tar tat tba tbb tbd tbf tbi tbm tbn tbo tbr tbt tda tdb tdd tdf tdi tdm tdn tdo tdr tdt tfa tfb tfd tff tfi tfm tfn tfo tfr tft tia tib tid tif tii tim tin tio tir tit tma tmb tmd tmf tmi tmm tmn tmo tmr tmt tna tnb tnd tnf tni tnm tnn tno tnr tnt to- toa tob tod tof toi tom ton too tor tot tra trb