-ic a-a a-b a-c a-i aaa aab aac aaf aag aai aam aan aao aap aar ab- aba abb abc abf abg abi abm abn abo abp abr ac- aca acb acc acf acg aci acm acn aco acp acr af- afa afb afc aff afg afi afm afn afo afp afr ag- aga agb agc agf agg agi agm agn ago agp agr ai- aia aib aic aif aig aii aim ain aio aip air ama amb amc amf amg ami amm amn amo amp amr an- ana anb anc anf ang ani anm ann ano anp anr aoa aob aoc aof aog aoi aom aon aoo aop aor ap- apa apb apc apf apg api apm apn apo app apr ar- ara arb arc arf arg ari arm arn aro arp arr b-p baa bab bac baf bag bai bam ban bao bap bar bba bbb bbc bbf bbg bbi bbm bbn bbo bbp bbr bca bcb bcc bcf bcg bci bcm bcn bco bcp bcr bfa bfb bfc bff bfg bfi bfm bfn bfo bfp bfr bga bgb bgc bgf bgg bgi bgm bgn bgo bgp bgr bi- bia bib bic bif big bii bim bin bio bip bir bma bmb bmc bmf bmg bmi bmm bmn bmo bmp bmr bna bnb bnc bnf bng bni bnn bno bnp bnr boa bob boc bof bog boi bom bon boo bop bor bpa bpb bpc bpf bpg bpi bpm bpn bpo bpp bpr bra brb brf brg bri brm brn bro brp brr c-- caa cab cac caf cag cai cam can cao cap car cba cbb cbc cbf cbg cbi cbm cbn cbo cbp cbr cca ccb ccc ccf ccg cci ccm ccn cco ccp ccr cfa cfb cfc cff cfg cfi cfm cfn cfo cfp cfr cga cgb cgc cgg cgi cgm cgn cgo cgp cgr ci- cia cib cic cif cig cii cim cin cio cip cir cma cmb cmc cmf cmg cmi cmm cmn cmo cmp cmr cn- cna cnb cnc cnf cng cni cnm cnn cno cnp cnr co- coa cob coc cof cog coi com con coo cop cor cpa cpb cpc cpf cpg cpi cpm cpn cpo cpp cpr cra crb crc crf crg cri crm crn cro crp crr faa fab fac faf fag fai fam fan fao fap far fba fbb fbc fbf fbg fbi fbm fbn fbo fbp fbr fca fcb fcc fcf fcg fci fcm fcn fco fcp fcr ffa ffc fff ffg ffi ffm ffn ffo ffp ffr fga fgb fgc fgf fgg fgi fgm fgn fgp fgr fia fib fic fif fig fii fim fin fip fir fma fmb fmc fmf fmg fmi fmm fmn fmo fmp fmr fna fnb fnc fnf fng fni fnm fnn fnp fnr foa fob foc fof fog foi fom fon foo fop for fpa fpb fpc fpg fpi fpm fpn fpo fpp fpr fra frb frc frf frg fri frm frn fro frp frr g-p gaa gab gac gaf gag gai gam gan gao gap gar gba gbc gbf gbg gbi gbm gbn gbo gbp gbr gca gcb gcc gcf gcg gci gcm gcn gco gcp gcr gfa gfb gfc gff gfi gfm gfo gfp gfr gga ggb ggc ggg ggi ggm ggn ggo ggp ggr gia gib gic gif gig gii gim gin gio gip gir gma gmb gmc gmf gmg gmi gmm gmn gmo gmp gmr gna gnb gnc gnf gni gnm gnn gno gnp gnr goa gob goc gof gog goi gom gon goo gop gor gpa gpb gpc gpf gpg gpi gpm gpn gpo gpp gpr gra grb grc grf grg gri grm grn gro grp grr i-f ia- iaa iab iac iaf iag iai iam ian iao iap iar iba ibb ibc ibf ibg ibi ibm ibn ibo ibp ibr ica icb icc icf icg ici icm icn ico icp icr ifa ifb ifc iff ifg ifi ifm ifn ifo ifp ifr iga igb igc igf igg igi igm ign igo igp igr iia iib iic iif iii iim iin iio iip iir im- ima imb imc imf img imi imm imn imo imp in- ina inb inc inf ing ini inm inn ino inp inr io- ioa iob ioc iof iog ioi iom ion ioo iop ior ipa ipb ipc ipf ipg ipi ipm ipn ipo ipp ipr ir- ira irb irc irf irg iri irm irn iro irp irr m-f m-o m-r maa mab mac maf mag mai mam man mao map mar mba mbb mbc mbf mbg mbi mbm mbo mbp mbr mc- mca mcb mcc mcf mcg mci mcm mcn mco mcp mcr mfa mfb mfc mff mfg mfi mfm mfn mfo mfp mfr mga mgb mgc mgf mgi mgm mgn mgo mgp mgr mi- mia mib mic mif mig mii mim min mio mip mir mma mmb mmc mmf mmg mmi mmm mmn mmo mmp mmr mna mnb mnc mnf mng mni mnm mnn mno mnp mnr moa mob moc mof mog moi mom mon moo mop mor mpa mpb mpc mpf mpg mpi mpm mpn mpo mpp mpr mra mrb mrc mrf mrg mri mrm mrn mro mrp mrr n-i naa nab nac naf nag nai nam nan nao nap nar nba nbb nbc nbf nbg nbi nbm nbn nbo nbp nbr nca ncb ncc ncf ncg nci ncm ncn nco ncp ncr nfa nfb nfc nff nfi nfn nfo nfp nfr nga ngb ngc ngf ngg ngi ngm ngn ngo ngp nia nib nic nif nig nii nim nin nio nip nir nma nmb nmc nmg nmi nmm nmn nmo nmp nmr nna nnb nnc nnf nng nni nnm nnn nno nnp no- noa nob noc nof nog noi nom non noo nop nor npa npb npc npf npg npi npm npn npo npp npr nra nrb nrc nrf nrg nri nrm nrn nro nrp nrr o-i oaa oab oac oaf oag oai oam oan oao oap oar ob- oba obb obc obf obg obi obm obn