-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aam aan aao aar aat ab- aba abb abc abf abg abi abm abn abo abr abt ac- aca acb acc acf acg aci acm acn aco acr act af- afa afb afc aff afg afi afm afn afo afr aft ag- aga agb agc agf agg agi agm agn ago agr agt ai- aia aib aic aif aig aii aim ain aio air ait ama amb amc amf amg ami amm amn amo amr amt an- ana anb anc anf ang ani anm ann ano anr ant aoa aob aoc aof aog aoi aom aon aoo aor aot ar- ara arb arc arf arg ari arm arn aro arr art at- ata atb atc atf atg ati atm atn ato atr att baa bab bac baf bag bai bam ban bao bar bat bba bbb bbc bbf bbg bbi bbm bbn bbo bbr bbt bca bcb bcc bcf bcg bci bcm bcn bco bcr bct bfa bfb bfc bff bfg bfi bfm bfn bfo bfr bft bga bgb bgc bgf bgg bgi bgm bgn bgo bgr bgt bi- bia bib bic bif big bii bim bin bio bir bit bma bmb bmc bmf bmg bmi bmm bmn bmo bmr bmt bna bnb bnc bnf bng bni bnn bno bnr bnt boa bob boc bof bog boi bom bon boo bor bot bra brb brf brg bri brm brn bro brr brt bta btb btc btf btg bti btm btn bto btr btt c-- caa cab cac caf cag cai cam can cao car cat cba cbb cbc cbf cbg cbi cbm cbn cbo cbr cbt cca ccb ccc ccf ccg cci ccm ccn cco ccr cct cfa cfb cfc cff cfg cfi cfm cfn cfo cfr cft cga cgb cgc cgg cgi cgm cgn cgo cgr cgt ci- cia cib cic cif cig cii cim cin cio cir cit cma cmb cmc cmf cmg cmi cmm cmn cmo cmr cmt cn- cna cnb cnc cnf cng cni cnm cnn cno cnr cnt co- coa cob coc cof cog coi com con coo cor cot cra crb crc crf crg cri crm crn cro crr crt cta ctb ctc ctf ctg cti ctm ctn cto ctr ctt faa fab fac faf fag fai fam fan fao far fat fba fbb fbc fbf fbg fbi fbm fbn fbo fbr fbt fca fcb fcc fcf fcg fci fcm fcn fco fcr fct ffa ffc fff ffg ffi ffm ffn ffo ffr fft fga fgb fgc fgf fgg fgi fgm fgn fgr fgt fia fib fic fif fig fii fim fin fir fit fma fmb fmc fmf fmg fmi fmm fmn fmo fmr fmt fna fnb fnc fnf fng fni fnm fnn fnr fnt foa fob foc fof fog foi fom fon foo for fot fra frb frc frf frg fri frm frn fro frr frt fta ftb ftc ftf ftg fti ftm ftn fto ftr ftt gaa gab gac gaf gag gai gam gan gao gar gat gba gbc gbf gbg gbi gbm gbn gbo gbr gbt gca gcb gcc gcf gcg gci gcm gcn gco gcr gct gfa gfb gfc gff gfi gfm gfo gfr gft gga ggb ggc ggg ggi ggm ggn ggo ggr ggt gia gib gic gif gig gii gim gin gio gir git gma gmb gmc gmf gmg gmi gmm gmn gmo gmr gmt gna gnb gnc gnf gni gnm gnn gno gnr gnt goa gob goc gof gog goi gom gon goo gor got gra grb grc grf grg gri grm grn gro grr grt gta gtb gtc gtf gtg gti gtm gtn gto gtr gtt i-f ia- iaa iab iac iaf iag iai iam ian iao iar iat iba ibb ibc ibf ibg ibi ibm ibn ibo ibr ibt ica icb icc icf icg ici icm icn ico icr ict ifa ifb ifc iff ifg ifi ifm ifn ifo ifr ift iga igb igc igf igg igi igm ign igo igr igt iia iib iic iif iii iim iin iio iir iit im- ima imb imc imf img imi imm imn imo imt in- ina inb inc inf ing ini inm inn ino inr int io- ioa iob ioc iof iog ioi iom ion ioo ior iot ir- ira irb irc irf irg iri irm irn iro irr irt ita itb itc itf itg iti itm itn ito itt m-f m-o m-r maa mab mac maf mag mai mam man mao mar mat mba mbb mbc mbf mbg mbi mbm mbo mbr mbt mc- mca mcb mcc mcf mcg mci mcm mcn mco mcr mct mfa mfb mfc mff mfg mfi mfm mfn mfo mfr mft mga mgb mgc mgf mgi mgm mgn mgo mgr mgt mi- mia mib mic mif mig mii mim min mio mir mit mma mmb mmc mmf mmg mmi mmm mmn mmo mmr mmt mna mnb mnc mnf mng mni mnm mnn mno mnr mnt moa mob moc mof mog moi mom mon moo mor mot mra mrb mrc mrf mrg mri mrm mrn mro mrr mrt mta mtb mtc mtf mtg mti mtm mtn mto mtr mtt n-i naa nab nac naf nag nai nam nan nao nar nat nba nbb nbc nbf nbg nbi nbm nbn nbo nbr nbt nca ncb ncc ncf ncg nci ncm ncn nco ncr nct nfa nfb nfc nff nfi nfn nfo nfr nft nga ngb ngc ngf ngg ngi ngm ngn ngo ngt nia nib nic nif nig nii nim nin nio nir nit nma nmb nmc nmg nmi nmm nmn nmo nmr nmt nna nnb nnc nnf nng nni nnm nnn nno nnt no- noa nob noc nof nog noi nom non noo nor not nra nrb nrc nrf nrg nri nrm nrn nro nrr nrt nta ntb ntc ntf ntg nti ntm ntn nto ntr ntt o-i oaa oab oac oaf oag oai oam oan oao oar oat ob- oba obb obc obf obg obi obm obn obo