-al -ol a-a aaa aaf aag aal aao aar aau af- afa aff afg afl afo afr afu ag- aga agf agg agl ago agr agu al- ala alf alg all alo alr alu aoa aof aog aol aoo aor aou ar- ara arf arg arl aro arr aru au- aua auf aug aul auo aur faa faf fag fal fao far fau ffa fff ffg ffl ffo ffr ffu fga fgf fgg fgl fgr fla flf flg fll flo flr flu foa fof fog fol foo for fou fra frf frg frl fro frr fru fua fuf fug ful fuo fur fuu gaa gaf gag gal gao gar gau gfa gff gfl gfo gfr gga ggg ggo ggr ggu gla glf glg gll glo glr glu goa gof gog gol goo gor gou gra grf grg grl gro grr gru gu- gua guf gug gul guo gur guu la- laa laf lag lal lao lar lau lfa lff lfg lfl lfo lfr lfu lga lgf lgg lgl lgo lgr lgu lla llf llg lll llo llr llu loa lof log lol loo lor lou lra lrf lrg lro lrr lru lua luf lug lul luo lur luu oaa oaf oag oal oao oar oau of- ofa off ofg ofl ofo ofr ofu oga ogf ogg ogl ogo ola olf olg oll olo olu oo- ooa oof oog ool ooo oor or- ora orf org orl oro orr oru ou- oua ouf oul ouo our ra- raa raf rag ral rao rar rau rfa rff rfg rfl rfo rfr rfu rga rgf rgg rgo rgr rla rlf rlg rll rlo rlr rlu roa rof rog rol roo ror rou rra rrf rrg rrl rrr rru rua ruf rug ruo rur ruu ua- uaa uaf uag ual uao uar uau ufa uff ufg ufl ufo ufr ufu uga ugf ugg ugl ugo ugr ugu ula ulf ulg ull ulo ulr ulu uoa uog uol uoo uor ur- ura urf urg url uro urr uru uua uug uur uuu