-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aam aan aao aat ab- aba abb abc abf abg abi abm abn abo abt ac- aca acb acc acf acg aci acm acn aco act af- afa afb afc aff afg afi afm afn afo aft ag- aga agb agc agf agg agi agm agn ago agt ai- aia aib aic aif aig aii aim ain aio ait ama amb amc amf amg ami amm amn amo amt an- ana anb anc anf ang ani anm ann ano ant aoa aob aoc aof aog aoi aom aon aoo aot at- ata atb atc atf atg ati atm atn ato att baa bab bac baf bag bai bam ban bao bat bba bbb bbc bbf bbg bbi bbm bbn bbo bbt bca bcb bcc bcf bcg bci bcm bcn bco bct bfa bfb bfc bff bfg bfi bfm bfn bfo bft bga bgb bgc bgf bgg bgi bgm bgn bgo bgt bi- bia bib bic bif big bii bim bin bio bit bma bmb bmc bmf bmg bmi bmm bmn bmo bmt bna bnb bnc bnf bng bni bnn bno bnt boa bob boc bof bog boi bom bon boo bot bta btb btc btf btg bti btm btn bto btt c-- caa cab cac caf cag cai cam can cao cat cba cbb cbc cbf cbg cbi cbm cbn cbo cbt cca ccb ccc ccf ccg cci ccm ccn cco cct cfa cfb cfc cff cfg cfi cfm cfn cfo cft cga cgb cgc cgg cgi cgm cgn cgo cgt ci- cia cib cic cif cig cii cim cin cio cit cma cmb cmc cmf cmg cmi cmm cmn cmo cmt cn- cna cnb cnc cnf cng cni cnm cnn cno cnt co- coa cob coc cof cog coi com con coo cot cta ctb ctc ctf ctg cti ctm ctn cto ctt faa fab fac faf fag fai fam fan fao fat fba fbb fbc fbf fbg fbi fbm fbn fbo fbt fca fcb fcc fcf fcg fci fcm fcn fco fct ffa ffc fff ffg ffi ffm ffn ffo fft fga fgb fgc fgf fgg fgi fgm fgn fgt fia fib fic fif fig fii fim fin fit fma fmb fmc fmf fmg fmi fmm fmn fmo fmt fna fnb fnc fnf fng fni fnm fnn fnt foa fob foc fof fog foi fom fon foo fot fta ftb ftc ftf ftg fti ftm ftn fto ftt gaa gab gac gaf gag gai gam gan gao gat gba gbc gbf gbg gbi gbm gbn gbo gbt gca gcb gcc gcf gcg gci gcm gcn gco gct gfa gfb gfc gff gfi gfm gfo gft gga ggb ggc ggg ggi ggm ggn ggo ggt gia gib gic gif gig gii gim gin gio git gma gmb gmc gmf gmg gmi gmm gmn gmo gmt gna gnb gnc gnf gni gnm gnn gno gnt goa gob goc gof gog goi gom gon goo got gta gtb gtc gtf gtg gti gtm gtn gto gtt i-f ia- iaa iab iac iaf iag iai iam ian iao iat iba ibb ibc ibf ibg ibi ibm ibn ibo ibt ica icb icc icf icg ici icm icn ico ict ifa ifb ifc iff ifg ifi ifm ifn ifo ift iga igb igc igf igg igi igm ign igo igt iia iib iic iif iii iim iin iio iit im- ima imb imc imf img imi imm imn imo imt in- ina inb inc inf ing ini inm inn ino int io- ioa iob ioc iof iog ioi iom ion ioo iot ita itb itc itf itg iti itm itn ito itt m-f m-o maa mab mac maf mag mai mam man mao mat mba mbb mbc mbf mbg mbi mbm mbo mbt mc- mca mcb mcc mcf mcg mci mcm mcn mco mct mfa mfb mfc mff mfg mfi mfm mfn mfo mft mga mgb mgc mgf mgi mgm mgn mgo mgt mi- mia mib mic mif mig mii mim min mio mit mma mmb mmc mmf mmg mmi mmm mmn mmo mmt mna mnb mnc mnf mng mni mnm mnn mno mnt moa mob moc mof mog moi mom mon moo mot mta mtb mtc mtf mtg mti mtm mtn mto mtt n-i naa nab nac naf nag nai nam nan nao nat nba nbb nbc nbf nbg nbi nbm nbn nbo nbt nca ncb ncc ncf ncg nci ncm ncn nco nct nfa nfb nfc nff nfi nfn nfo nft nga ngb ngc ngf ngg ngi ngm ngn ngo ngt nia nib nic nif nig nii nim nin nio nit nma nmb nmc nmg nmi nmm nmn nmo nmt nna nnb nnc nnf nng nni nnm nnn nno nnt no- noa nob noc nof nog noi nom non noo not nta ntb ntc ntf ntg nti ntm ntn nto ntt o-i oaa oab oac oaf oag oai oam oan oao oat ob- oba obb obc obf obg obi obm obn obo obt oc- oca ocb occ ocf ocg oci ocm ocn oco oct of- ofa ofb ofc off ofg ofi ofm ofn ofo oft oga ogc ogf ogg ogi ogn ogo ogt oia oib oic oif oii oim oin oio oit om- oma omb omc omf omg omi omm omn omo omt on- ona onb onc onf ong oni onn ono ont oo- ooa oob ooc oof oog ooi oom oon ooo oot ot- ota otb otc otf otg oti otm otn oto ott taa tab tac taf tag tai tam tan tao tat tba tbb tbc tbf tbg tbi tbm tbn tbo tbt tca tcb tcc tcf tcg tci tcm tcn tco tct tfa tfb tfc tff tfg tfi tfm tfn tfo tft tga tgb tgc tgf tgg tgi tgm tgn tgo tgt tia tib tic tif tig tii tim tin tio tit tma tmb tmc tmf tmg tmi tmm tmn tmo tmt tna tnb tnc tnf tng tni tnm tnn tno tnt to- toa tob toc