a-a a-c aaa aac aad aaf aah aan aao aar ac- aca acc acd acf ach acn aco acr ad- ada adc add adf adh adn ado adr af- afa afc afd aff afh afn afo afr aha ahc ahd ahf ahh ahn aho ahr an- ana anc and anf anh ann ano anr aoa aoc aod aof aoh aon aoo aor ar- ara arc ard arf arh arn aro arr c-- caa cac cad caf cah can cao car cca ccc ccd ccf cch ccn cco ccr cda cdc cdd cdf cdh cdn cdo cdr cfa cfc cfd cff cfh cfn cfo cfr ch- cha chc chd chf chh chn cho chr cn- cna cnc cnd cnf cnh cnn cno cnr co- coa coc cod cof coh con coo cor cra crc crd crf crh crn cro crr daa dac dad daf dah dan dao dar dca dcc dcd dcf dcn dco dcr dda ddc ddd ddf ddh ddn ddo ddr dfa dfc dfd dff dfh dfn dfo dfr dh- dha dhc dhd dhf dhh dho dhr dna dnc dnd dnf dnh dnn dno dnr doa doc dod dof doh don doo dor dra drc drd drn dro drr faa fac fad faf fah fan fao far fca fcc fcd fcf fcn fco fcr fda fdc fdd fdf fdh fdn fdo fdr ffa ffc ffd fff ffh ffn ffo ffr fha fhc fhf fhh fhn fho fhr fna fnc fnd fnf fnh fnn fnr foa foc fof foh fon foo for fra frc frd frf frh frn fro frr haa hac had haf hah han hao har hca hcc hcd hcf hch hcn hco hcr hda hdc hdd hdf hdh hdn hdo hdr hfa hfc hfd hff hfh hfn hfo hfr hha hhc hhd hhf hhh hhn hho hhr hna hnc hnd hnf hnh hnn hno hoa hoc hod hof hoh hon hoo hor hr- hra hrc hrd hrf hrh hrn hro hrr naa nac nad naf nah nan nao nar nca ncc ncd ncf nch ncn nco ncr nda ndc ndd ndf ndh ndn ndo ndr nfa nfc nfd nff nfn nfo nfr nha nhc nhd nhf nhh nhn nhr nna nnc nnf nnh nnn nno no- noa noc nod nof noh non noo nor nra nrc nrd nrf nrn nro nrr oaa oac oad oaf oah oan oao oar oc- oca occ ocd ocf och ocn oco ocr oda odc odd odf odh odn odo odr of- ofa ofc ofd off ofn ofo ofr oha ohc ohd ohf ohh ohn oho ohr on- ona onc ond onf onh onn ono onr oo- ooa ooc ood oof ooh oon ooo oor or- ora orc ord orf orh orn oro orr ra- raa rac rad raf rah ran rao rar rca rcc rcd rcf rch rcn rco rcr rda rdc rdd rdf rdh rdn rdo rdr rfa rfc rfd rff rfh rfn rfo rfr rh- rha rhc rhd rhf rhh rhn rho rhr rna rnc rnd rnh rnn rno rnr roa roc rod rof roh ron roo ror rra rrc rrd rrf rrh rrn rrr