-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aam aan aao aas aat ab- aba abb abc abf abg abi abm abn abo abs abt ac- aca acb acc acf acg aci acm acn aco acs act af- afa afb afc aff afg afi afm afn afo afs aft ag- aga agb agc agf agg agi agm agn ago ags agt ai- aia aib aic aif aig aii aim ain aio ais ait ama amb amc amf amg ami amm amn amo ams amt an- ana anb anc anf ang ani anm ann ano ans ant aoa aob aoc aof aog aoi aom aon aoo aos aot as- asa asb asc asf asg asi asm asn aso ass ast at- ata atb atc atf atg ati atm atn ato ats att baa bab bac baf bag bai bam ban bao bas bat bba bbb bbc bbf bbg bbi bbm bbn bbo bbs bbt bca bcb bcc bcf bcg bci bcm bcn bco bcs bct bfa bfb bfc bff bfg bfi bfm bfn bfo bfs bft bga bgb bgc bgf bgg bgi bgm bgn bgo bgs bgt bi- bia bib bic bif big bii bim bin bio bis bit bma bmb bmc bmf bmg bmi bmm bmn bmo bms bmt bna bnb bnc bnf bng bni bnn bno bns bnt boa bob boc bof bog boi bom bon boo bos bot bsa bsb bsc bsf bsg bsi bsm bsn bso bss bst bta btb btc btf btg bti btm btn bto bts btt c-- caa cab cac caf cag cai cam can cao cas cat cba cbb cbc cbf cbg cbi cbm cbn cbo cbs cbt cca ccb ccc ccf ccg cci ccm ccn cco ccs cct cfa cfb cfc cff cfg cfi cfm cfn cfo cfs cft cga cgb cgc cgg cgi cgm cgn cgo cgs cgt ci- cia cib cic cif cig cii cim cin cio cis cit cma cmb cmc cmf cmg cmi cmm cmn cmo cms cmt cn- cna cnb cnc cnf cng cni cnm cnn cno cns cnt co- coa cob coc cof cog coi com con coo cos cot csa csb csc csf csg csi csm csn cso css cst cta ctb ctc ctf ctg cti ctm ctn cto cts ctt faa fab fac faf fag fai fam fan fao fas fat fba fbb fbc fbf fbg fbi fbm fbn fbo fbs fbt fca fcb fcc fcf fcg fci fcm fcn fco fcs fct ffa ffc fff ffg ffi ffm ffn ffo ffs fft fga fgb fgc fgf fgg fgi fgm fgn fgs fgt fia fib fic fif fig fii fim fin fis fit fma fmb fmc fmf fmg fmi fmm fmn fmo fms fmt fna fnb fnc fnf fng fni fnm fnn fns fnt foa fob foc fof fog foi fom fon foo fos fot fsa fsb fsc fsf fsg fsi fsm fsn fso fss fst fta ftb ftc ftf ftg fti ftm ftn fto fts ftt gaa gab gac gaf gag gai gam gan gao gas gat gba gbc gbf gbg gbi gbm gbn gbo gbs gbt gca gcb gcc gcf gcg gci gcm gcn gco gcs gct gfa gfb gfc gff gfi gfm gfo gfs gft gga ggb ggc ggg ggi ggm ggn ggo ggs ggt gia gib gic gif gig gii gim gin gio gis git gma gmb gmc gmf gmg gmi gmm gmn gmo gms gmt gna gnb gnc gnf gni gnm gnn gno gns gnt goa gob goc gof gog goi gom gon goo gos got gsa gsb gsc gsf gsg gsi gsm gsn gso gss gst gta gtb gtc gtf gtg gti gtm gtn gto gts gtt i-f ia- iaa iab iac iaf iag iai iam ian iao ias iat iba ibb ibc ibf ibg ibi ibm ibn ibo ibs ibt ica icb icc icf icg ici icm icn ico ics ict ifa ifb ifc iff ifg ifi ifm ifn ifo ifs ift iga igb igc igf igg igi igm ign igo igs igt iia iib iic iif iii iim iin iio iis iit im- ima imb imc imf img imi imm imn imo ims imt in- ina inb inc inf ing ini inm inn ino ins int io- ioa iob ioc iof iog ioi iom ion ioo ios iot is- isa isb isc isf isg isi ism isn iso iss ist ita itb itc itf itg iti itm itn ito its itt m-f m-o maa mab mac maf mag mai mam man mao mas mat mba mbb mbc mbf mbg mbi mbm mbo mbs mbt mc- mca mcb mcc mcf mcg mci mcm mcn mco mcs mct mfa mfb mfc mff mfg mfi mfm mfn mfo mfs mft mga mgb mgc mgf mgi mgm mgn mgo mgs mgt mi- mia mib mic mif mig mii mim min mio mis mit mma mmb mmc mmf mmg mmi mmm mmn mmo mms mmt mna mnb mnc mnf mng mni mnm mnn mno mns mnt moa mob moc mof mog moi mom mon moo mos mot msa msb msc msf msg msi msm msn mso mss mst mta mtb mtc mtf mtg mti mtm mtn mto mts mtt n-i naa nab nac naf nag nai nam nan nao nas nat nba nbb nbc nbf nbg nbi nbm nbn nbo nbs nbt nca ncb ncc ncf ncg nci ncm ncn nco ncs nct nfa nfb nfc nff nfi nfn nfo nfs nft nga ngb ngc ngf ngg ngi ngm ngn ngo ngs ngt nia nib nic nif nig nii nim nin nio nis nit nma nmb nmc nmg nmi nmm nmn nmo nms nmt nna nnb nnc nnf nng nni nnm nnn nno nns nnt no- noa nob noc nof nog noi nom non noo nos not nsa nsb nsc nsf nsg nsi nsm nsn nso nss nst nta ntb ntc ntf ntg nti ntm ntn nto nts ntt o-i oaa oab oac oaf oag oai oam oan oao oas oat ob- oba obb obc obf obg