a-a aaa aad aaf aak aam aao aar ad- ada add adf adk adm ado adr af- afa afd aff afk afm afo afr aka akd akk akm ako akr ama amd amf amk amm amo amr aoa aod aof aok aom aoo aor ar- ara ard arf ark arm aro arr daa dad daf dak dam dao dar dda ddd ddf ddk ddm ddo ddr dfa dfd dff dfk dfm dfo dfr dka dkk dkm dko dkr dma dmd dmf dmk dmm dmo dmr doa dod dof dok dom doo dor dra drd drk drm dro drr faa fad faf fak fam fao far fda fdd fdf fdk fdm fdo fdr ffa ffd fff ffk ffm ffo ffr fka fkf fkk fkm fma fmd fmf fmm fmo fmr foa fof fok fom foo for fra frd frf frk frm fro frr ka- kaa kad kaf kak kam kao kar kda kdf kdk kdm kdo kdr kfa kfd kff kfm kfo kkk kkm kkr kma kmd kmf kmk kmm kmo koa kod kof kok kom koo kor kra krd krf krk kro krr m-f m-o m-r maa mad maf mak mam mao mar mda mdd mdf mdk mdm mdo mdr mfa mfd mff mfm mfo mfr mka mkd mkk mkm mko mkr mma mmd mmf mmk mmm mmo mmr moa mod mof mok mom moo mor mra mrd mrf mrk mrm mro mrr oaa oad oaf oak oam oao oar oda odd odf odm odo odr of- ofa ofd off ofm ofo ofr oka okd okk oko okr om- oma omd omf omm omo omr oo- ooa ood oof ook oom ooo oor or- ora ord orf ork orm oro orr ra- raa rad raf rak ram rao rar rda rdd rdf rdm rdo rdr rfa rfd rff rfk rfm rfo rfr rkf rkk rkm rko rma rmd rmf rmm rmo rmr roa rod rof rok rom roo ror rra rrd rrf rrk rrm rrr