a-a a-i aaa aad aaf aai aan aao aar aax ad- ada add adf adi adn ado adr adx af- afa afd aff afi afn afo afr afx ai- aia aid aif aii ain aio air aix an- ana and anf ani ann ano anr anx aoa aod aof aoi aon aoo aor aox ar- ara ard arf ari arn aro arr arx ax- axa axi axn axo axr axx daa dad daf dai dan dao dar dax dda ddd ddf ddi ddn ddo ddr ddx dfa dfd dff dfi dfn dfo dfr dfx di- dia did dif dii din dio dir dix dna dnd dnf dni dnn dno dnr doa dod dof doi don doo dor dox dra drd dri drn dro drr drx dxd dxi dxn dxo dxr dxx faa fad faf fai fan fao far fax fda fdd fdf fdi fdn fdo fdr fdx ffa ffd fff ffi ffn ffo ffr ffx fia fid fif fii fin fir fix fna fnd fnf fni fnn fnr fnx foa fof foi fon foo for fox fra frd frf fri frn fro frr fxi fxr fxx i-d i-f ia- iaa iad iaf iai ian iao iar ida idd idf idi idn ido idr idx ifa ifd iff ifi ifn ifo ifr ifx iia iid iif iii iin iio iir iix in- ina ind inf ini inn ino inr inx io- ioa iod iof ioi ion ioo ior ir- ira ird irf iri irn iro irr irx ixi ixn n-i naa nad naf nai nan nao nar nax nda ndd ndf ndi ndn ndo ndr nfa nfd nff nfi nfn nfo nfr nia nid nif nii nin nio nir nix nna nnf nni nnn nno no- noa nod nof noi non noo nor nox nra nrd nrf nri nrn nro nrr nrx nxd o-i oaa oad oaf oai oan oao oar oax oda odd odf odi odn odo odr of- ofa ofd off ofi ofn ofo ofr ofx oia oid oif oii oin oio oir on- ona ond onf oni onn ono onr onx oo- ooa ood oof ooi oon ooo oor oox or- ora ord orf ori orn oro orr orx ox- oxa oxf oxi oxn oxo oxx ra- raa rad raf rai ran rao rar rax rda rdd rdf rdi rdn rdo rdr rdx rfa rfd rff rfi rfn rfo rfr ria rid rif rii rin rio rir rix rna rnd rni rnn rno rnr roa rod rof roi ron roo ror rox rra rrd rrf rri rrn rrr rxr xaa xad xaf xan xar xda xdf xdi xdr xfa xfn xfx xia xii xin xio xix xna xno xoa xod xof xoi xon xoo xor xox xrd xrf xrx xxi xxo xxx