a-a aaa aad aaf aah aan aao aar ad- ada add adf adh adn ado adr af- afa afd aff afh afn afo afr aha ahd ahf ahh ahn aho ahr an- ana and anf anh ann ano anr aoa aod aof aoh aon aoo aor ar- ara ard arf arh arn aro arr daa dad daf dah dan dao dar dda ddd ddf ddh ddn ddo ddr dfa dfd dff dfh dfn dfo dfr dh- dha dhd dhf dhh dho dhr dna dnd dnf dnh dnn dno dnr doa dod dof doh don doo dor dra drd drn dro drr faa fad faf fah fan fao far fda fdd fdf fdh fdn fdo fdr ffa ffd fff ffh ffn ffo ffr fha fhf fhh fhn fho fhr fna fnd fnf fnh fnn fnr foa fof foh fon foo for fra frd frf frh frn fro frr haa had haf hah han hao har hda hdd hdf hdh hdn hdo hdr hfa hfd hff hfh hfn hfo hfr hha hhd hhf hhh hhn hho hhr hna hnd hnf hnh hnn hno hoa hod hof hoh hon hoo hor hr- hra hrd hrf hrh hrn hro hrr naa nad naf nah nan nao nar nda ndd ndf ndh ndn ndo ndr nfa nfd nff nfn nfo nfr nha nhd nhf nhh nhn nhr nna nnf nnh nnn nno no- noa nod nof noh non noo nor nra nrd nrf nrn nro nrr oaa oad oaf oah oan oao oar oda odd odf odh odn odo odr of- ofa ofd off ofn ofo ofr oha ohd ohf ohh ohn oho ohr on- ona ond onf onh onn ono onr oo- ooa ood oof ooh oon ooo oor or- ora ord orf orh orn oro orr ra- raa rad raf rah ran rao rar rda rdd rdf rdh rdn rdo rdr rfa rfd rff rfh rfn rfo rfr rh- rha rhd rhf rhh rhn rho rhr rna rnd rnh rnn rno rnr roa rod rof roh ron roo ror rra rrd rrf rrh rrn rrr