-al a-a a-t aaa aaf aag aal aar aat af- afa aff afg afl afr aft ag- aga agf agg agl agr agt al- ala alf alg all alr alt ar- ara arf arg arl arr art at- ata atf atg atl atr att faa faf fag fal far fat ffa fff ffg ffl ffr fft fga fgf fgg fgl fgr fgt fla flf flg fll flr flt fra frf frg frl frr frt fta ftf ftg ftl ftr ftt gaa gaf gag gal gar gat gfa gff gfl gfr gft gga ggg ggr ggt gla glf glg gll glr glt gra grf grg grl grr grt gta gtf gtg gtl gtr gtt la- laa laf lag lal lar lat lfa lff lfg lfl lfr lft lga lgf lgg lgl lgr lgt lla llf llg lll llr llt lra lrf lrg lrr lrt lta ltf ltg ltl ltr ltt ra- raa raf rag ral rar rat rfa rff rfg rfl rfr rft rga rgf rgg rgr rgt rla rlf rlg rll rlr rlt rra rrf rrg rrl rrr rrt rta rtf rtg rtl rtr rtt taa taf tag tal tar tat tfa tff tfg tfl tfr tft tga tgf tgg tgl tgr tgt tla tlf tlg tll tlr tlt tra trf trg trl trr trt tta ttf ttg ttl ttr ttt