a-a aaa aad aam aan aar ad- ada add adm adn adr ama amd amm amn amr an- ana and anm ann anr ar- ara ard arm arn arr daa dad dam dan dar dda ddd ddm ddn ddr dma dmd dmm dmn dmr dna dnd dnm dnn dnr dra drd drm drn drr m-r maa mad mam man mar mda mdd mdm mdn mdr mma mmd mmm mmn mmr mna mnm mnn mnr mra mrd mrm mrn mrr naa nad nam nan nar nda ndd ndm ndn ndr nma nmd nmm nmn nmr nna nnm nnn nra nrd nrm nrn nrr ra- raa rad ram ran rar rda rdd rdm rdn rdr rma rmd rmm rmn rmr rna rnd rnm rnn rnr rra rrd rrm rrn rrr