-er a-a a-c a-t aaa aac aad aae aam aan aar aat ac- aca acc acd ace acm acn acr act ad- ada adc add ade adm adn adr adt aea aec aed aee aem aen aer aet ama amc amd ame amm amn amr amt an- ana anc and ane anm ann anr ant ar- ara arc ard are arm arn arr art at- ata atc atd ate atm atn atr att c-- caa cac cad cae cam can car cat cca ccc ccd cce ccm ccn ccr cct cda cdc cdd cde cdm cdn cdr cdt ce- cea cec ced cee cem cen cer cet cma cmc cmd cme cmm cmn cmr cmt cn- cna cnc cnd cne cnm cnn cnr cnt cra crc crd cre crm crn crr crt cta ctc ctd cte ctm ctn ctr ctt daa dac dad dae dam dan dar dat dca dcc dcd dce dcm dcn dcr dct dda ddc ddd dde ddm ddn ddr ddt de- dea dec ded dee dem den der det dma dmc dmd dme dmm dmn dmr dmt dna dnc dnd dne dnm dnn dnr dnt dra drc drd dre drm drn drr drt dta dtc dtd dte dtm dtn dtr dtt eaa eac ead eae eam ean ear eat ec- eca ecc ecd ece ecm ecn ecr ect ed- eda edc edd ede edm edn edr edt eea eec eed eee eem een eer eet em- ema emc emd eme emm emn emr emt en- ena enc end ene enm enn enr ent era erc erd ere erm ern err ert eta etc etd ete etm etn etr ett m-r maa mac mad mae mam man mar mat mc- mca mcc mcd mce mcm mcn mcr mct mda mdc mdd mde mdm mdn mdr mdt mea mec med mee mem men mer met mma mmc mmd mme mmm mmn mmr mmt mna mnc mne mnm mnn mnr mnt mra mrc mrd mre mrm mrn mrr mrt mta mtc mtd mte mtm mtn mtr mtt naa nac nad nae nam nan nar nat nca ncc ncd nce ncm ncn ncr nct nda ndc ndd nde ndm ndn ndr ndt ne- nea nec ned nee nem nen ner net nma nmc nmd nme nmm nmn nmr nmt nna nnc nne nnm nnn nnt nra nrc nrd nre nrm nrn nrr nrt nta ntc ntd nte ntm ntn ntr ntt ra- raa rac rad rae ram ran rar rat rca rcc rcd rce rcm rcn rcr rct rda rdc rdd rde rdm rdn rdr rdt re- rea rec red ree rem ren rer ret rma rmc rmd rme rmm rmn rmr rmt rna rnc rnd rnm rnn rnr rnt rra rrc rrd rrm rrn rrr rrt rta rtc rtd rte rtm rtn rtr rtt taa tac tad tae tam tan tar tat tca tcc tcd tce tcm tcn tcr tct tda tdc tdd tde tdm tdn tdr tdt te- tea tec ted tee tem ten ter tet tma tmc tmd tme tmm tmn tmr tmt tna tnc tnd tne tnm tnn tnr tnt tra trc trd tre trm trn trr trt tta ttc ttd tte ttm ttn ttr ttt