a-a aaa aad aam aan aao aap aar ad- ada add adm adn ado adp adr ama amd amm amn amo amp amr an- ana and anm ann ano anp anr aoa aod aom aon aoo aop aor ap- apa apd apm apn apo app apr ar- ara ard arm arn aro arp arr daa dad dam dan dao dap dar dda ddd ddm ddn ddo ddp ddr dma dmd dmm dmn dmo dmp dmr dna dnd dnm dnn dno dnp dnr doa dod dom don doo dop dor dpa dpd dpm dpn dpo dpp dpr dra drd drm drn dro drp drr m-o m-r maa mad mam man mao map mar mda mdd mdm mdn mdo mdp mdr mma mmd mmm mmn mmo mmp mmr mna mnm mnn mno mnp mnr moa mod mom mon moo mop mor mpa mpd mpm mpn mpo mpp mpr mra mrd mrm mrn mro mrp mrr naa nad nam nan nao nap nar nda ndd ndm ndn ndo ndp ndr nma nmd nmm nmn nmo nmp nmr nna nnm nnn nno nnp no- noa nod nom non noo nop nor npa npd npm npn npo npp npr nra nrd nrm nrn nro nrp nrr oaa oad oam oan oao oap oar oda odd odm odn odo odp odr om- oma omd omm omn omo omp omr on- ona ond onn ono onp onr oo- ooa ood oom oon ooo oop oor op- opa opd opm opn opo opp opr or- ora ord orm orn oro orp orr p-p paa pad pam pan pao pap par pda pdd pdm pdn pdo pdp pdr pma pmd pmm pmn pmo pmp pmr pn- pna pnd pnm pnn pno pnp pnr poa pod pom pon poo pop por ppa ppd ppm ppn ppo ppp ppr pra prd prm prn pro prp prr ra- raa rad ram ran rao rap rar rda rdd rdm rdn rdo rdp rdr rma rmd rmm rmn rmo rmp rmr rna rnd rnm rnn rno rnp rnr roa rod rom ron roo rop ror rpa rpd rpm rpn rpo rpp rpr rra rrd rrm rrn rrp rrr