a-a a-b a-i a-t aaa aab aaf aag aai aam aan aao aar aas aat ab- aba abb abf abg abi abm abn abo abr abs abt af- afa afb aff afg afi afm afn afo afr afs aft ag- aga agb agf agg agi agm agn ago agr ags agt ai- aia aib aif aig aii aim ain aio air ais ait ama amb amf amg ami amm amn amo amr ams amt an- ana anb anf ang ani anm ann ano anr ans ant aoa aob aof aog aoi aom aon aoo aor aos aot ar- ara arb arf arg ari arm arn aro arr ars art as- asa asb asf asg asi asm asn aso asr ass ast at- ata atb atf atg ati atm atn ato atr ats att baa bab baf bag bai bam ban bao bar bas bat bba bbb bbf bbg bbi bbm bbn bbo bbr bbs bbt bfa bfb bff bfg bfi bfm bfn bfo bfr bfs bft bga bgb bgf bgg bgi bgm bgn bgo bgr bgs bgt bi- bia bib bif big bii bim bin bio bir bis bit bma bmb bmf bmg bmi bmm bmn bmo bmr bms bmt bna bnb bnf bng bni bnn bno bnr bns bnt boa bob bof bog boi bom bon boo bor bos bot bra brb brf brg bri brm brn bro brr brs brt bsa bsb bsf bsg bsi bsm bsn bso bsr bss bst bta btb btf btg bti btm btn bto btr bts btt faa fab faf fag fai fam fan fao far fas fat fba fbb fbf fbg fbi fbm fbn fbo fbr fbs fbt ffa fff ffg ffi ffm ffn ffo ffr ffs fft fga fgb fgf fgg fgi fgm fgn fgr fgs fgt fia fib fif fig fii fim fin fir fis fit fma fmb fmf fmg fmi fmm fmn fmo fmr fms fmt fna fnb fnf fng fni fnm fnn fnr fns fnt foa fob fof fog foi fom fon foo for fos fot fra frb frf frg fri frm frn fro frr frs frt fsa fsb fsf fsg fsi fsm fsn fso fsr fss fst fta ftb ftf ftg fti ftm ftn fto ftr fts ftt gaa gab gaf gag gai gam gan gao gar gas gat gba gbf gbg gbi gbm gbn gbo gbr gbs gbt gfa gfb gff gfi gfm gfo gfr gfs gft gga ggb ggg ggi ggm ggn ggo ggr ggs ggt gia gib gif gig gii gim gin gio gir gis git gma gmb gmf gmg gmi gmm gmn gmo gmr gms gmt gna gnb gnf gni gnm gnn gno gnr gns gnt goa gob gof gog goi gom gon goo gor gos got gra grb grf grg gri grm grn gro grr grs grt gsa gsb gsf gsg gsi gsm gsn gso gsr gss gst gta gtb gtf gtg gti gtm gtn gto gtr gts gtt i-f ia- iaa iab iaf iag iai iam ian iao iar ias iat iba ibb ibf ibg ibi ibm ibn ibo ibr ibs ibt ifa ifb iff ifg ifi ifm ifn ifo ifr ifs ift iga igb igf igg igi igm ign igo igr igs igt iia iib iif iii iim iin iio iir iis iit im- ima imb imf img imi imm imn imo ims imt in- ina inb inf ing ini inm inn ino inr ins int io- ioa iob iof iog ioi iom ion ioo ior ios iot ir- ira irb irf irg iri irm irn iro irr irs irt is- isa isb isf isg isi ism isn iso isr iss ist ita itb itf itg iti itm itn ito its itt m-f m-o m-r maa mab maf mag mai mam man mao mar mas mat mba mbb mbf mbg mbi mbm mbo mbr mbs mbt mfa mfb mff mfg mfi mfm mfn mfo mfr mfs mft mga mgb mgf mgi mgm mgn mgo mgr mgs mgt mi- mia mib mif mig mii mim min mio mir mis mit mma mmb mmf mmg mmi mmm mmn mmo mmr mms mmt mna mnb mnf mng mni mnm mnn mno mnr mns mnt moa mob mof mog moi mom mon moo mor mos mot mra mrb mrf mrg mri mrm mrn mro mrr mrs mrt msa msb msf msg msi msm msn mso msr mss mst mta mtb mtf mtg mti mtm mtn mto mtr mts mtt n-i naa nab naf nag nai nam nan nao nar nas nat nba nbb nbf nbg nbi nbm nbn nbo nbr nbs nbt nfa nfb nff nfi nfn nfo nfr nfs nft nga ngb ngf ngg ngi ngm ngn ngo ngs ngt nia nib nif nig nii nim nin nio nir nis nit nma nmb nmg nmi nmm nmn nmo nmr nms nmt nna nnb nnf nng nni nnm nnn nno nns nnt no- noa nob nof nog noi nom non noo nor nos not nra nrb nrf nrg nri nrm nrn nro nrr nrs nrt nsa nsb nsf nsg nsi nsm nsn nso nsr nss nst nta ntb ntf ntg nti ntm ntn nto ntr nts ntt o-i oaa oab oaf oag oai oam oan oao oar oas oat ob- oba obb obf obg obi obm obn obo obr obs obt of- ofa ofb off ofg ofi ofm ofn ofo ofr ofs oft oga ogf ogg ogi ogn ogo ogs ogt oia oib oif oii oim oin oio oir ois oit om- oma omb omf omg omi omm omn omo omr oms omt on- ona onb onf ong oni onn ono onr ons ont oo- ooa oob oof oog ooi oom oon ooo oor oos oot or- ora orb orf org ori orm orn oro orr ors ort os- osa osb osf osg osi osm osn oso osr oss ost ot- ota otb otf otg oti otm otn oto otr ots ott ra- raa rab raf rag rai ram ran rao rar ras rat rba rbb rbf rbg rbi rbm rbn rbo rbr rbs