-al -ol a-a aaa aaf aak aal aan aao aar af- afa aff afk afl afn afo afr aka akk akl akn ako akr al- ala alf alk all aln alo alr an- ana anf ank anl ann ano anr aoa aof aok aol aon aoo aor ar- ara arf ark arl arn aro arr faa faf fak fal fan fao far ffa fff ffk ffl ffn ffo ffr fka fkf fkk fkl fla flf fll fln flo flr fna fnf fnk fnl fnn fnr foa fof fok fol fon foo for fra frf frk frl frn fro frr ka- kaa kaf kak kal kan kao kar kfa kff kfo kkk kkl kkn kkr kl- kla klf klo klr kn- kna knf knk knl knn kno knr koa kof kok kol kon koo kor kra krf krk krl krn kro krr la- laa laf lak lal lan lao lar lfa lff lfk lfl lfn lfo lfr lka lkl lkr lla llf llk lll lln llo llr lna lnk lnl lnn lno lnr loa lof lok lol lon loo lor lra lrf lrk lrn lro lrr naa naf nak nal nan nao nar nfa nff nfk nfl nfn nfo nfr nka nkf nkk nkn nko nkr nla nlf nlk nll nln nlo nlr nna nnf nnk nnl nnn nno no- noa nof nok nol non noo nor nra nrf nrk nrl nrn nro nrr oaa oaf oak oal oan oao oar of- ofa off ofl ofn ofo ofr oka okk okl oko okr ola olf olk oll oln olo on- ona onf onk onl onn ono onr oo- ooa oof ook ool oon ooo oor or- ora orf ork orl orn oro orr ra- raa raf rak ral ran rao rar rfa rff rfk rfl rfn rfo rfr rkf rkk rko rla rlf rll rln rlo rlr rna rnn rno rnr roa rof rok rol ron roo ror rra rrf rrk rrl rrn rrr