a-a aaa aaf aah aaj aan aao aar aas af- afa aff afh afj afn afo afr afs aha ahf ahh ahj ahn aho ahr ahs aja ajf ajh ajj ajn ajo ajr ajs an- ana anf anh anj ann ano anr ans aoa aof aoh aoj aon aoo aor aos ar- ara arf arh arj arn aro arr ars as- asa asf ash asj asn aso asr ass faa faf fah faj fan fao far fas ffa fff ffh ffn ffo ffr ffs fha fhf fhh fhj fhn fho fhr fhs fja fjs fna fnf fnh fnj fnn fnr fns foa fof foh fon foo for fos fra frf frh frj frn fro frr frs fsa fsf fsh fsj fsn fso fsr fss haa haf hah haj han hao har has hfa hff hfh hfn hfo hfr hfs hha hhf hhh hhj hhn hho hhr hhs hja hjn hjo hjr hjs hna hnf hnh hnj hnn hno hns hoa hof hoh hon hoo hor hos hr- hra hrf hrh hrj hrn hro hrr hrs hsa hsf hsh hsj hsn hsr hss jaa jaf jah jaj jan jao jar jas jfa jff jfh jfj jfo jfr jfs jha jhf jhj jhn jho jhr jhs jja jjf jjj jjr jjs jna jnf jnh jnj jnn jno jnr jns joa jof joh joj jon joo jor jos jra jrf jrn jro jrr jrs jsa jsf jsh jsj jsn jso jsr jss naa naf nah naj nan nao nar nas nfa nff nfn nfo nfr nfs nha nhf nhh nhj nhn nhr nhs nja njf njn njs nna nnf nnh nnn nno nns no- noa nof noh noj non noo nor nos nra nrf nrj nrn nro nrr nrs nsa nsf nsh nsn nso nsr nss oaa oaf oah oaj oan oao oar oas of- ofa off ofn ofo ofr ofs oha ohf ohh ohn oho ohr ohs oja ojo ojs on- ona onf onh onj onn ono onr ons oo- ooa oof ooh oon ooo oor oos or- ora orf orh orn oro orr ors os- osa osf osh osj osn oso osr oss ra- raa raf rah raj ran rao rar ras rfa rff rfh rfj rfn rfo rfr rfs rh- rha rhf rhh rhn rho rhr rhs rja rjf rjr rna rnh rnn rno rnr rns roa rof roh roj ron roo ror ros rra rrf rrh rrn rrr rrs rsa rsf rsh rsj rsn rso rsr rss saa saf sah saj san sao sar sas sfa sff sfh sfj sfn sfo sfr sfs sh- sha shf shh shn sho shr shs sja sjf sjh sjj sjr sjs sna snf snj snn sno snr sns soa sof soh soj son soo sor sos sr- sra srf srh srj srn sro srr srs ss- ssa ssf ssh ssj ssn sso ssr sss