a-a a-i aaa aag aai aan aao aar aax ag- aga agg agi agn ago agr agx ai- aia aig aii ain aio air aix an- ana ang ani ann ano anr anx aoa aog aoi aon aoo aor aox ar- ara arg ari arn aro arr arx ax- axa axi axn axo axr axx gaa gag gai gan gao gar gga ggg ggi ggn ggo ggr gia gig gii gin gio gir gna gni gnn gno gnr goa gog goi gon goo gor gox gra grg gri grn gro grr grx gxa ia- iaa iag iai ian iao iar iga igg igi ign igo igr iia iii iin iio iir iix in- ina ing ini inn ino inr inx io- ioa iog ioi ion ioo ior ir- ira irg iri irn iro irr irx ixi ixn n-i naa nag nai nan nao nar nax nga ngg ngi ngn ngo nia nig nii nin nio nir nix nna nng nni nnn nno no- noa nog noi non noo nor nox nra nrg nri nrn nro nrr nrx o-i oaa oag oai oan oao oar oax oga ogg ogi ogn ogo ogx oia oii oin oio oir on- ona ong oni onn ono onr onx oo- ooa oog ooi oon ooo oor oox or- ora org ori orn oro orr orx ox- oxa oxi oxn oxo oxx ra- raa rag rai ran rao rar rax rga rgg rgi rgn rgo rgr rgx ria rig rii rin rio rir rix rna rng rni rnn rno rnr roa rog roi ron roo ror rox rra rrg rri rrn rrr rxr xaa xag xan xar xgi xia xii xin xio xix xna xno xoa xog xoi xon xoo xor xox xrx xxi xxo xxx