a-a a-i aaa aad aaf aai aan aao aar aas ad- ada add adf adi adn ado adr ads af- afa afd aff afi afn afo afr afs ai- aia aid aif aii ain aio air ais an- ana and anf ani ann ano anr ans aoa aod aof aoi aon aoo aor aos ar- ara ard arf ari arn aro arr ars as- asa asd asf asi asn aso asr ass daa dad daf dai dan dao dar das dda ddd ddf ddi ddn ddo ddr dds dfa dfd dff dfi dfn dfo dfr dfs di- dia did dif dii din dio dir dis dna dnd dnf dni dnn dno dnr dns doa dod dof doi don doo dor dos dra drd dri drn dro drr drs dsa dsd dsf dsi dsn dso dsr dss faa fad faf fai fan fao far fas fda fdd fdf fdi fdn fdo fdr fds ffa ffd fff ffi ffn ffo ffr ffs fia fid fif fii fin fir fis fna fnd fnf fni fnn fnr fns foa fof foi fon foo for fos fra frd frf fri frn fro frr frs fsa fsd fsf fsi fsn fso fsr fss i-d i-f ia- iaa iad iaf iai ian iao iar ias ida idd idf idi idn ido idr ids ifa ifd iff ifi ifn ifo ifr ifs iia iid iif iii iin iio iir iis in- ina ind inf ini inn ino inr ins io- ioa iod iof ioi ion ioo ior ios ir- ira ird irf iri irn iro irr irs is- isa isd isf isi isn iso isr iss n-i naa nad naf nai nan nao nar nas nda ndd ndf ndi ndn ndo ndr nds nfa nfd nff nfi nfn nfo nfr nfs nia nid nif nii nin nio nir nis nna nnf nni nnn nno nns no- noa nod nof noi non noo nor nos nra nrd nrf nri nrn nro nrr nrs nsa nsd nsf nsi nsn nso nsr nss o-i oaa oad oaf oai oan oao oar oas oda odd odf odi odn odo odr ods of- ofa ofd off ofi ofn ofo ofr ofs oia oid oif oii oin oio oir ois on- ona ond onf oni onn ono onr ons oo- ooa ood oof ooi oon ooo oor oos or- ora ord orf ori orn oro orr ors os- osa osd osf osi osn oso osr oss ra- raa rad raf rai ran rao rar ras rda rdd rdf rdi rdn rdo rdr rds rfa rfd rff rfi rfn rfo rfr rfs ria rid rif rii rin rio rir ris rna rnd rni rnn rno rnr rns roa rod rof roi ron roo ror ros rra rrd rrf rri rrn rrr rrs rsa rsd rsf rsi rsn rso rsr rss saa sad saf sai san sao sar sas sda sdd sdf sdi sdn sdo sdr sds sfa sfd sff sfi sfn sfo sfr sfs sia sid sif sii sin sio sir sis sna snd snf sni snn sno snr sns soa sod sof soi son soo sor sos sr- sra srd srf sri srn sro srr srs ss- ssa ssd ssf ssi ssn sso ssr sss