-ic a-a a-c a-i aaa aac aaf aag aai aam aao aar aax ac- aca acc acf acg aci acm aco acr acx af- afa afc aff afg afi afm afo afr afx ag- aga agc agf agg agi agm ago agr agx ai- aia aic aif aig aii aim aio air aix ama amc amf amg ami amm amo amr amx aoa aoc aof aog aoi aom aoo aor aox ar- ara arc arf arg ari arm aro arr arx ax- axa axi axm axo axr axx c-- caa cac caf cag cai cam cao car cax cca ccc ccf ccg cci ccm cco ccr ccx cfa cfc cff cfg cfi cfm cfo cfr cfx cga cgc cgg cgi cgm cgo cgr ci- cia cic cif cig cii cim cio cir cix cma cmc cmf cmg cmi cmm cmo cmr cmx co- coa coc cof cog coi com coo cor cox cra crc crf crg cri crm cro crr crx cxc cxf cxi cxo cxr cxx faa fac faf fag fai fam fao far fax fca fcc fcf fcg fci fcm fco fcr fcx ffa ffc fff ffg ffi ffm ffo ffr ffx fga fgc fgf fgg fgi fgm fgr fia fic fif fig fii fim fir fix fma fmc fmf fmg fmi fmm fmo fmr fmx foa foc fof fog foi fom foo for fox fra frc frf frg fri frm fro frr fxg fxi fxm fxr fxx gaa gac gaf gag gai gam gao gar gca gcc gcf gcg gci gcm gco gcr gfa gfc gff gfi gfm gfo gfr gfx gga ggc ggg ggi ggm ggo ggr gia gic gif gig gii gim gio gir gma gmc gmf gmg gmi gmm gmo gmr gmx goa goc gof gog goi gom goo gor gox gra grc grf grg gri grm gro grr grx gxa gxf i-f ia- iaa iac iaf iag iai iam iao iar ica icc icf icg ici icm ico icr ifa ifc iff ifg ifi ifm ifo ifr ifx iga igc igf igg igi igm igo igr iia iic iif iii iim iio iir iix im- ima imc imf img imi imm imo imx io- ioa ioc iof iog ioi iom ioo ior ir- ira irc irf irg iri irm iro irr irx ixc ixi m-f m-o m-r maa mac maf mag mai mam mao mar max mc- mca mcc mcf mcg mci mcm mco mcr mcx mfa mfc mff mfg mfi mfm mfo mfr mga mgc mgf mgi mgm mgo mgr mgx mi- mia mic mif mig mii mim mio mir mix mma mmc mmf mmg mmi mmm mmo mmr mmx moa moc mof mog moi mom moo mor mox mra mrc mrf mrg mri mrm mro mrr mrx mxa mxc mxi mxr o-i oaa oac oaf oag oai oam oao oar oax oc- oca occ ocf ocg oci ocm oco ocr ocx of- ofa ofc off ofg ofi ofm ofo ofr ofx oga ogc ogf ogg ogi ogo ogx oia oic oif oii oim oio oir om- oma omc omf omg omi omm omo omr omx oo- ooa ooc oof oog ooi oom ooo oor oox or- ora orc orf org ori orm oro orr orx ox- oxa oxc oxf oxi oxo oxx ra- raa rac raf rag rai ram rao rar rax rca rcc rcf rcg rci rcm rco rcr rcx rfa rfc rff rfg rfi rfm rfo rfr rga rgc rgf rgg rgi rgo rgr rgx ria ric rif rig rii rim rio rir rix rma rmc rmf rmg rmi rmm rmo rmr rmx roa roc rof rog roi rom roo ror rox rra rrc rrf rrg rri rrm rrr rxr xaa xac xaf xag xam xar xcf xci xcr xcx xfa xfm xfx xgi xia xic xii xio xix xma xmc xmf xmg xmi xmm xmo xmr xmx xoa xoc xof xog xoi xom xoo xor xox xrc xrf xrx xxi xxo xxx