-er a-a aaa aad aae aam aan aap aar ad- ada add ade adm adn adp adr aea aed aee aem aen aep aer ama amd ame amm amn amp amr an- ana and ane anm ann anp anr ap- apa apd ape apm apn app apr ar- ara ard are arm arn arp arr daa dad dae dam dan dap dar dda ddd dde ddm ddn ddp ddr de- dea ded dee dem den dep der dma dmd dme dmm dmn dmp dmr dna dnd dne dnm dnn dnp dnr dpa dpd dpe dpm dpn dpp dpr dra drd dre drm drn drp drr eaa ead eae eam ean eap ear ed- eda edd ede edm edn edp edr eea eed eee eem een eep eer em- ema emd eme emm emn emp emr en- ena end ene enm enn enp enr ep- epa epd epe epm epn epp epr era erd ere erm ern erp err m-r maa mad mae mam man map mar mda mdd mde mdm mdn mdp mdr mea med mee mem men mep mer mma mmd mme mmm mmn mmp mmr mna mne mnm mnn mnp mnr mpa mpd mpe mpm mpn mpp mpr mra mrd mre mrm mrn mrp mrr naa nad nae nam nan nap nar nda ndd nde ndm ndn ndp ndr ne- nea ned nee nem nen nep ner nma nmd nme nmm nmn nmp nmr nna nne nnm nnn nnp npa npd npe npm npn npp npr nra nrd nre nrm nrn nrp nrr p-p paa pad pae pam pan pap par pda pdd pde pdm pdn pdp pdr pea ped pee pem pen pep per pma pmd pme pmm pmn pmp pmr pn- pna pnd pne pnm pnn pnp pnr ppa ppd ppe ppm ppn ppp ppr pra prd pre prm prn prp prr ra- raa rad rae ram ran rap rar rda rdd rde rdm rdn rdp rdr re- rea red ree rem ren rep rer rma rmd rme rmm rmn rmp rmr rna rnd rnm rnn rnp rnr rpa rpd rpe rpm rpn rpp rpr rra rrd rrm rrn rrp rrr