-al -ol a-a aaa aad aaf aak aal aao aar ad- ada add adf adk adl ado adr af- afa afd aff afk afl afo afr aka akd akk akl ako akr al- ala ald alf alk all alo alr aoa aod aof aok aol aoo aor ar- ara ard arf ark arl aro arr daa dad daf dak dal dao dar dda ddd ddf ddk ddl ddo ddr dfa dfd dff dfk dfl dfo dfr dka dkk dkl dko dkr dl- dla dld dlf dlk dll dlo dlr doa dod dof dok dol doo dor dra drd drk drl dro drr faa fad faf fak fal fao far fda fdd fdf fdk fdl fdo fdr ffa ffd fff ffk ffl ffo ffr fka fkf fkk fkl fla fld flf fll flo flr foa fof fok fol foo for fra frd frf frk frl fro frr ka- kaa kad kaf kak kal kao kar kda kdf kdk kdl kdo kdr kfa kfd kff kfo kkk kkl kkr kl- kla kld klf klo klr koa kod kof kok kol koo kor kra krd krf krk krl kro krr la- laa lad laf lak lal lao lar lda ldd ldf ldk ldl ldo ldr lfa lfd lff lfk lfl lfo lfr lka lkl lkr lla lld llf llk lll llo llr loa lod lof lok lol loo lor lra lrd lrf lrk lro lrr oaa oad oaf oak oal oao oar oda odd odf odl odo odr of- ofa ofd off ofl ofo ofr oka okd okk okl oko okr ola old olf olk oll olo oo- ooa ood oof ook ool ooo oor or- ora ord orf ork orl oro orr ra- raa rad raf rak ral rao rar rda rdd rdf rdl rdo rdr rfa rfd rff rfk rfl rfo rfr rkf rkk rko rla rld rlf rll rlo rlr roa rod rof rok rol roo ror rra rrd rrf rrk rrl rrr