a-a aaa aad aam aan aap aar ad- ada add adm adn adp adr ama amd amm amn amp amr an- ana and anm ann anp anr ap- apa apd apm apn app apr ar- ara ard arm arn arp arr daa dad dam dan dap dar dda ddd ddm ddn ddp ddr dma dmd dmm dmn dmp dmr dna dnd dnm dnn dnp dnr dpa dpd dpm dpn dpp dpr dra drd drm drn drp drr m-r maa mad mam man map mar mda mdd mdm mdn mdp mdr mma mmd mmm mmn mmp mmr mna mnm mnn mnp mnr mpa mpd mpm mpn mpp mpr mra mrd mrm mrn mrp mrr naa nad nam nan nap nar nda ndd ndm ndn ndp ndr nma nmd nmm nmn nmp nmr nna nnm nnn nnp npa npd npm npn npp npr nra nrd nrm nrn nrp nrr p-p paa pad pam pan pap par pda pdd pdm pdn pdp pdr pma pmd pmm pmn pmp pmr pn- pna pnd pnm pnn pnp pnr ppa ppd ppm ppn ppp ppr pra prd prm prn prp prr ra- raa rad ram ran rap rar rda rdd rdm rdn rdp rdr rma rmd rmm rmn rmp rmr rna rnd rnm rnn rnp rnr rpa rpd rpm rpn rpp rpr rra rrd rrm rrn rrp rrr