a-a aaa aad aaf aaj aak aao aar ad- ada add adf adj adk ado adr af- afa afd aff afj afk afo afr aja ajd ajf ajj ajk ajo ajr aka akd akj akk ako akr aoa aod aof aoj aok aoo aor ar- ara ard arf arj ark aro arr daa dad daf daj dak dao dar dda ddd ddf ddk ddo ddr dfa dfd dff dfj dfk dfo dfr dj- dja djd djf djk djo dka dkk dko dkr doa dod dof doj dok doo dor dra drd drj drk dro drr faa fad faf faj fak fao far fda fdd fdf fdj fdk fdo fdr ffa ffd fff ffk ffo ffr fja fjd fka fkf fkj fkk foa fof fok foo for fra frd frf frj frk fro frr j-d jaa jad jaf jaj jak jao jar jda jdf jdo jdr jfa jfd jff jfj jfk jfo jfr jja jjf jjj jjk jjr jka jkk jko jkr joa jod jof joj jok joo jor jra jrf jrk jro jrr ka- kaa kad kaf kaj kak kao kar kda kdf kdk kdo kdr kfa kfd kff kfo kjr kkk kkr koa kod kof kok koo kor kra krd krf krk kro krr oaa oad oaf oaj oak oao oar oda odd odf odo odr of- ofa ofd off ofo ofr oja ojd ojo oka okd okj okk oko okr oo- ooa ood oof ook ooo oor or- ora ord orf ork oro orr ra- raa rad raf raj rak rao rar rda rdd rdf rdj rdo rdr rfa rfd rff rfj rfk rfo rfr rja rjf rjk rjr rkf rkk rko roa rod rof roj rok roo ror rra rrd rrf rrk rrr