a-a a-i a-z aaa aad aaf aai aan aao aar aaz ad- ada add adf adi adn ado adr adz af- afa afd aff afi afn afo afr afz ai- aia aid aif aii ain aio air aiz an- ana and anf ani ann ano anr anz aoa aod aof aoi aon aoo aor ar- ara ard arf ari arn aro arr arz az- aza azd azf azi azn azo azz daa dad daf dai dan dao dar daz dda ddd ddf ddi ddn ddo ddr ddz dfa dfd dff dfi dfn dfo dfr dfz di- dia did dif dii din dio dir diz dna dnd dnf dni dnn dno dnr dnz doa dod dof doi don doo dor doz dra drd dri drn dro drr drz dza dzd dzi dzo dzr faa fad faf fai fan fao far faz fda fdd fdf fdi fdn fdo fdr ffa ffd fff ffi ffn ffo ffr ffz fia fid fif fii fin fir fiz fna fnd fnf fni fnn fnr fnz foa fof foi fon foo for foz fra frd frf fri frn fro frr fzd i-d i-f ia- iaa iad iaf iai ian iao iar iaz ida idd idf idi idn ido idr ifa ifd iff ifi ifn ifo ifr ifz iia iid iif iii iin iio iir in- ina ind inf ini inn ino inr io- ioa iod iof ioi ion ioo ior ir- ira ird irf iri irn iro irr iza izi izo izz n-i naa nad naf nai nan nao nar naz nda ndd ndf ndi ndn ndo ndr nfa nfd nff nfi nfn nfo nfr nia nid nif nii nin nio nir niz nna nnf nni nnn nno nnz no- noa nod nof noi non noo nor noz nra nrd nrf nri nrn nro nrr nrz nzd nzf nzi nzo nzz o-i oaa oad oaf oai oan oao oar oda odd odf odi odn odo odr of- ofa ofd off ofi ofn ofo ofr ofz oia oid oif oii oin oio oir oiz on- ona ond onf oni onn ono onr oo- ooa ood oof ooi oon ooo oor or- ora ord orf ori orn oro orr orz oza ozo ozz ra- raa rad raf rai ran rao rar raz rda rdd rdf rdi rdn rdo rdr rfa rfd rff rfi rfn rfo rfr rfz ria rid rif rii rin rio rir riz rna rnd rni rnn rno rnr rnz roa rod rof roi ron roo ror roz rra rrd rrf rri rrn rrr rza rzo zaa zad zaf zai zan zao zar zaz zdf zfa zfd zfn zfr zia zid zif zin zio zir ziz znd znn zno zo- zoa zod zof zoi zon zoo zor zro zzr zzz