-al -ol a-a aaa aad aaf aak aal aan aao aar ad- ada add adf adk adl adn ado adr af- afa afd aff afk afl afn afo afr aka akd akk akl akn ako akr al- ala ald alf alk all aln alo alr an- ana and anf ank anl ann ano anr aoa aod aof aok aol aon aoo aor ar- ara ard arf ark arl arn aro arr daa dad daf dak dal dan dao dar dda ddd ddf ddk ddl ddn ddo ddr dfa dfd dff dfk dfl dfn dfo dfr dka dkk dkl dko dkr dl- dla dld dlf dlk dll dlo dlr dna dnd dnf dnk dnl dnn dno dnr doa dod dof dok dol don doo dor dra drd drk drl drn dro drr faa fad faf fak fal fan fao far fda fdd fdf fdk fdl fdn fdo fdr ffa ffd fff ffk ffl ffn ffo ffr fka fkf fkk fkl fla fld flf fll fln flo flr fna fnd fnf fnk fnl fnn fnr foa fof fok fol fon foo for fra frd frf frk frl frn fro frr ka- kaa kad kaf kak kal kan kao kar kda kdf kdk kdl kdo kdr kfa kfd kff kfo kkk kkl kkn kkr kl- kla kld klf klo klr kn- kna knd knf knk knl knn kno knr koa kod kof kok kol kon koo kor kra krd krf krk krl krn kro krr la- laa lad laf lak lal lan lao lar lda ldd ldf ldk ldl ldn ldo ldr lfa lfd lff lfk lfl lfn lfo lfr lka lkl lkr lla lld llf llk lll lln llo llr lna lnd lnk lnl lnn lno lnr loa lod lof lok lol lon loo lor lra lrd lrf lrk lrn lro lrr naa nad naf nak nal nan nao nar nda ndd ndf ndk ndl ndn ndo ndr nfa nfd nff nfk nfl nfn nfo nfr nka nkf nkk nkn nko nkr nla nld nlf nlk nll nln nlo nlr nna nnf nnk nnl nnn nno no- noa nod nof nok nol non noo nor nra nrd nrf nrk nrl nrn nro nrr oaa oad oaf oak oal oan oao oar oda odd odf odl odn odo odr of- ofa ofd off ofl ofn ofo ofr oka okd okk okl oko okr ola old olf olk oll oln olo on- ona ond onf onk onl onn ono onr oo- ooa ood oof ook ool oon ooo oor or- ora ord orf ork orl orn oro orr ra- raa rad raf rak ral ran rao rar rda rdd rdf rdl rdn rdo rdr rfa rfd rff rfk rfl rfn rfo rfr rkf rkk rko rla rld rlf rll rln rlo rlr rna rnd rnn rno rnr roa rod rof rok rol ron roo ror rra rrd rrf rrk rrl rrn rrr