a-a aaa aad aaf aaj aak aao aar aas ad- ada add adf adj adk ado adr ads af- afa afd aff afj afk afo afr afs aja ajd ajf ajj ajk ajo ajr ajs aka akd akj akk ako akr aks aoa aod aof aoj aok aoo aor aos ar- ara ard arf arj ark aro arr ars as- asa asd asf asj ask aso asr ass daa dad daf daj dak dao dar das dda ddd ddf ddk ddo ddr dds dfa dfd dff dfj dfk dfo dfr dfs dj- dja djd djf djk djo djs dka dkk dko dkr dks doa dod dof doj dok doo dor dos dra drd drj drk dro drr drs dsa dsd dsf dsj dsk dso dsr dss faa fad faf faj fak fao far fas fda fdd fdf fdj fdk fdo fdr fds ffa ffd fff ffk ffo ffr ffs fja fjd fjs fka fkf fkj fkk foa fof fok foo for fos fra frd frf frj frk fro frr frs fsa fsd fsf fsj fsk fso fsr fss j-d jaa jad jaf jaj jak jao jar jas jda jdf jdo jdr jds jfa jfd jff jfj jfk jfo jfr jfs jja jjf jjj jjk jjr jjs jka jkk jko jkr jks joa jod jof joj jok joo jor jos jra jrf jrk jro jrr jrs jsa jsd jsf jsj jsk jso jsr jss ka- kaa kad kaf kaj kak kao kar kas kda kdf kdk kdo kdr kds kfa kfd kff kfo kfs kjr kjs kkk kkr kks koa kod kof kok koo kor kos kra krd krf krk kro krr krs ksa ksd ksf ksk kso ksr kss oaa oad oaf oaj oak oao oar oas oda odd odf odo odr ods of- ofa ofd off ofo ofr ofs oja ojd ojo ojs oka okd okj okk oko okr oks oo- ooa ood oof ook ooo oor oos or- ora ord orf ork oro orr ors os- osa osd osf osj osk oso osr oss ra- raa rad raf raj rak rao rar ras rda rdd rdf rdj rdo rdr rds rfa rfd rff rfj rfk rfo rfr rfs rja rjf rjk rjr rkf rkk rko rks roa rod rof roj rok roo ror ros rra rrd rrf rrk rrr rrs rsa rsd rsf rsj rsk rso rsr rss saa sad saf saj sak sao sar sas sda sdd sdf sdj sdk sdo sdr sds sfa sfd sff sfj sfk sfo sfr sfs sja sjd sjf sjj sjk sjr sjs sk- ska skd skf skj skk sko skr sks soa sod sof soj sok soo sor sos sr- sra srd srf srj srk sro srr srs ss- ssa ssd ssf ssj ssk sso ssr sss