a-a aaa aaf aaj aam aao aar af- afa aff afj afm afo afr aja ajf ajj ajm ajo ajr ama amf amm amo amr aoa aof aoj aom aoo aor ar- ara arf arj arm aro arr faa faf faj fam fao far ffa fff ffm ffo ffr fja fjm fma fmf fmj fmm fmo fmr foa fof fom foo for fra frf frj frm fro frr jaa jaf jaj jam jao jar jfa jff jfj jfm jfo jfr jja jjf jjj jjr jma jmf jmj jmm jmo jmr joa jof joj jom joo jor jra jrf jrm jro jrr m-f m-o m-r maa maf maj mam mao mar mfa mff mfj mfm mfo mfr mjj mjm mjr mma mmf mmj mmm mmo mmr moa mof mom moo mor mra mrf mrj mrm mro mrr oaa oaf oaj oam oao oar of- ofa off ofm ofo ofr oja ojm ojo om- oma omf omj omm omo omr oo- ooa oof oom ooo oor or- ora orf orm oro orr ra- raa raf raj ram rao rar rfa rff rfj rfm rfo rfr rja rjf rjm rjr rma rmf rmm rmo rmr roa rof roj rom roo ror rra rrf rrm rrr