-ic a-a a-c a-i aaa aac aaf aag aai aan aao aar ac- aca acc acf acg aci acn aco acr af- afa afc aff afg afi afn afo afr ag- aga agc agf agg agi agn ago agr ai- aia aic aif aig aii ain aio air an- ana anc anf ang ani ann ano anr aoa aoc aof aog aoi aon aoo aor ar- ara arc arf arg ari arn aro arr c-- caa cac caf cag cai can cao car cca ccc ccf ccg cci ccn cco ccr cfa cfc cff cfg cfi cfn cfo cfr cga cgc cgg cgi cgn cgo cgr ci- cia cic cif cig cii cin cio cir cn- cna cnc cnf cng cni cnn cno cnr co- coa coc cof cog coi con coo cor cra crc crf crg cri crn cro crr faa fac faf fag fai fan fao far fca fcc fcf fcg fci fcn fco fcr ffa ffc fff ffg ffi ffn ffo ffr fga fgc fgf fgg fgi fgn fgr fia fic fif fig fii fin fir fna fnc fnf fng fni fnn fnr foa foc fof fog foi fon foo for fra frc frf frg fri frn fro frr gaa gac gaf gag gai gan gao gar gca gcc gcf gcg gci gcn gco gcr gfa gfc gff gfi gfo gfr gga ggc ggg ggi ggn ggo ggr gia gic gif gig gii gin gio gir gna gnc gnf gni gnn gno gnr goa goc gof gog goi gon goo gor gra grc grf grg gri grn gro grr i-f ia- iaa iac iaf iag iai ian iao iar ica icc icf icg ici icn ico icr ifa ifc iff ifg ifi ifn ifo ifr iga igc igf igg igi ign igo igr iia iic iif iii iin iio iir in- ina inc inf ing ini inn ino inr io- ioa ioc iof iog ioi ion ioo ior ir- ira irc irf irg iri irn iro irr n-i naa nac naf nag nai nan nao nar nca ncc ncf ncg nci ncn nco ncr nfa nfc nff nfi nfn nfo nfr nga ngc ngf ngg ngi ngn ngo nia nic nif nig nii nin nio nir nna nnc nnf nng nni nnn nno no- noa noc nof nog noi non noo nor nra nrc nrf nrg nri nrn nro nrr o-i oaa oac oaf oag oai oan oao oar oc- oca occ ocf ocg oci ocn oco ocr of- ofa ofc off ofg ofi ofn ofo ofr oga ogc ogf ogg ogi ogn ogo oia oic oif oii oin oio oir on- ona onc onf ong oni onn ono onr oo- ooa ooc oof oog ooi oon ooo oor or- ora orc orf org ori orn oro orr ra- raa rac raf rag rai ran rao rar rca rcc rcf rcg rci rcn rco rcr rfa rfc rff rfg rfi rfn rfo rfr rga rgc rgf rgg rgi rgn rgo rgr ria ric rif rig rii rin rio rir rna rnc rng rni rnn rno rnr roa roc rof rog roi ron roo ror rra rrc rrf rrg rri rrn rrr