-al -ol a-a aaa aaf aag aah aal aan aao af- afa aff afg afh afl afn afo ag- aga agf agg agh agl agn ago aha ahf ahg ahh ahl ahn aho al- ala alf alg alh all aln alo an- ana anf ang anh anl ann ano aoa aof aog aoh aol aon aoo faa faf fag fah fal fan fao ffa fff ffg ffh ffl ffn ffo fga fgf fgg fgh fgl fgn fha fhf fhg fhh fhl fhn fho fla flf flg fll fln flo fna fnf fng fnh fnl fnn foa fof fog foh fol fon foo gaa gaf gag gah gal gan gao gfa gff gfh gfl gfo gga ggg ggh ggn ggo gha ghg ghh ghl ghn gho gla glf glg glh gll gln glo gna gnf gnl gnn gno goa gof gog goh gol gon goo haa haf hag hah hal han hao hfa hff hfg hfh hfl hfn hfo hga hgf hgg hgh hgl hgn hgo hha hhf hhg hhh hhl hhn hho hla hlf hlg hlh hll hln hlo hna hnf hng hnh hnl hnn hno hoa hof hog hoh hol hon hoo la- laa laf lag lah lal lan lao lfa lff lfg lfh lfl lfn lfo lga lgf lgg lgh lgl lgn lgo lha lhf lhh lho lla llf llg lll lln llo lna lng lnh lnl lnn lno loa lof log loh lol lon loo naa naf nag nah nal nan nao nfa nff nfl nfn nfo nga ngf ngg ngh ngl ngn ngo nha nhf nhg nhh nhl nhn nla nlf nlg nlh nll nln nlo nna nnf nng nnh nnl nnn nno no- noa nof nog noh nol non noo oaa oaf oag oah oal oan oao of- ofa off ofg ofl ofn ofo oga ogf ogg ogh ogl ogn ogo oha ohf ohg ohh ohl ohn oho ola olf olg oll oln olo on- ona onf ong onh onl onn ono oo- ooa oof oog ooh ool oon ooo