-al -ol a-a aaa aaf aag aak aal aan aao af- afa aff afg afk afl afn afo ag- aga agf agg agk agl agn ago aka akg akk akl akn ako al- ala alf alg alk all aln alo an- ana anf ang ank anl ann ano aoa aof aog aok aol aon aoo faa faf fag fak fal fan fao ffa fff ffg ffk ffl ffn ffo fga fgf fgg fgl fgn fka fkf fkg fkk fkl fla flf flg fll fln flo fna fnf fng fnk fnl fnn foa fof fog fok fol fon foo gaa gaf gag gak gal gan gao gfa gff gfk gfl gfo gga ggg ggn ggo gka gkn gko gla glf glg glk gll gln glo gna gnf gnl gnn gno goa gof gog gok gol gon goo ka- kaa kaf kag kak kal kan kao kfa kff kfg kfo kga kgf kgl kgo kkk kkl kkn kl- kla klf klg klo kn- kna knf kng knk knl knn kno koa kof kog kok kol kon koo la- laa laf lag lak lal lan lao lfa lff lfg lfk lfl lfn lfo lga lgf lgg lgk lgl lgn lgo lka lkg lkl lla llf llg llk lll lln llo lna lng lnk lnl lnn lno loa lof log lok lol lon loo naa naf nag nak nal nan nao nfa nff nfk nfl nfn nfo nga ngf ngg ngk ngl ngn ngo nka nkf nkk nkn nko nla nlf nlg nlk nll nln nlo nna nnf nng nnk nnl nnn nno no- noa nof nog nok nol non noo oaa oaf oag oak oal oan oao of- ofa off ofg ofl ofn ofo oga ogf ogg ogl ogn ogo oka okg okk okl oko ola olf olg olk oll oln olo on- ona onf ong onk onl onn ono oo- ooa oof oog ook ool oon ooo