a-a aaa aad aaf aam aan aao aar aas ad- ada add adf adm adn ado adr ads af- afa afd aff afm afn afo afr afs ama amd amf amm amn amo amr ams an- ana and anf anm ann ano anr ans aoa aod aof aom aon aoo aor aos ar- ara ard arf arm arn aro arr ars as- asa asd asf asm asn aso asr ass daa dad daf dam dan dao dar das dda ddd ddf ddm ddn ddo ddr dds dfa dfd dff dfm dfn dfo dfr dfs dma dmd dmf dmm dmn dmo dmr dms dna dnd dnf dnm dnn dno dnr dns doa dod dof dom don doo dor dos dra drd drm drn dro drr drs dsa dsd dsf dsm dsn dso dsr dss faa fad faf fam fan fao far fas fda fdd fdf fdm fdn fdo fdr fds ffa ffd fff ffm ffn ffo ffr ffs fma fmd fmf fmm fmn fmo fmr fms fna fnd fnf fnm fnn fnr fns foa fof fom fon foo for fos fra frd frf frm frn fro frr frs fsa fsd fsf fsm fsn fso fsr fss m-f m-o m-r maa mad maf mam man mao mar mas mda mdd mdf mdm mdn mdo mdr mds mfa mfd mff mfm mfn mfo mfr mfs mma mmd mmf mmm mmn mmo mmr mms mna mnf mnm mnn mno mnr mns moa mod mof mom mon moo mor mos mra mrd mrf mrm mrn mro mrr mrs msa msd msf msm msn mso msr mss naa nad naf nam nan nao nar nas nda ndd ndf ndm ndn ndo ndr nds nfa nfd nff nfn nfo nfr nfs nma nmd nmm nmn nmo nmr nms nna nnf nnm nnn nno nns no- noa nod nof nom non noo nor nos nra nrd nrf nrm nrn nro nrr nrs nsa nsd nsf nsm nsn nso nsr nss oaa oad oaf oam oan oao oar oas oda odd odf odm odn odo odr ods of- ofa ofd off ofm ofn ofo ofr ofs om- oma omd omf omm omn omo omr oms on- ona ond onf onn ono onr ons oo- ooa ood oof oom oon ooo oor oos or- ora ord orf orm orn oro orr ors os- osa osd osf osm osn oso osr oss ra- raa rad raf ram ran rao rar ras rda rdd rdf rdm rdn rdo rdr rds rfa rfd rff rfm rfn rfo rfr rfs rma rmd rmf rmm rmn rmo rmr rms rna rnd rnm rnn rno rnr rns roa rod rof rom ron roo ror ros rra rrd rrf rrm rrn rrr rrs rsa rsd rsf rsm rsn rso rsr rss saa sad saf sam san sao sar sas sda sdd sdf sdm sdn sdo sdr sds sfa sfd sff sfm sfn sfo sfr sfs sma smd smf smm smn smo smr sms sna snd snf snm snn sno snr sns soa sod sof som son soo sor sos sr- sra srd srf srm srn sro srr srs ss- ssa ssd ssf ssm ssn sso ssr sss