-er a-a a-c a-t aaa aac aad aae aam aan aap aar aat ac- aca acc acd ace acm acn acp acr act ad- ada adc add ade adm adn adp adr adt aea aec aed aee aem aen aep aer aet ama amc amd ame amm amn amp amr amt an- ana anc and ane anm ann anp anr ant ap- apa apc apd ape apm apn app apr apt ar- ara arc ard are arm arn arp arr art at- ata atc atd ate atm atn atp atr att c-- caa cac cad cae cam can cap car cat cca ccc ccd cce ccm ccn ccp ccr cct cda cdc cdd cde cdm cdn cdp cdr cdt ce- cea cec ced cee cem cen cep cer cet cma cmc cmd cme cmm cmn cmp cmr cmt cn- cna cnc cnd cne cnm cnn cnp cnr cnt cpa cpc cpd cpe cpm cpn cpp cpr cpt cra crc crd cre crm crn crp crr crt cta ctc ctd cte ctm ctn ctp ctr ctt daa dac dad dae dam dan dap dar dat dca dcc dcd dce dcm dcn dcp dcr dct dda ddc ddd dde ddm ddn ddp ddr ddt de- dea dec ded dee dem den dep der det dma dmc dmd dme dmm dmn dmp dmr dmt dna dnc dnd dne dnm dnn dnp dnr dnt dpa dpc dpd dpe dpm dpn dpp dpr dpt dra drc drd dre drm drn drp drr drt dta dtc dtd dte dtm dtn dtp dtr dtt eaa eac ead eae eam ean eap ear eat ec- eca ecc ecd ece ecm ecn ecr ect ed- eda edc edd ede edm edn edp edr edt eea eec eed eee eem een eep eer eet em- ema emc emd eme emm emn emp emr emt en- ena enc end ene enm enn enp enr ent ep- epa epc epd epe epm epn epp epr ept era erc erd ere erm ern erp err ert eta etc etd ete etm etn etp etr ett m-r maa mac mad mae mam man map mar mat mc- mca mcc mcd mce mcm mcn mcp mcr mct mda mdc mdd mde mdm mdn mdp mdr mdt mea mec med mee mem men mep mer met mma mmc mmd mme mmm mmn mmp mmr mmt mna mnc mne mnm mnn mnp mnr mnt mpa mpc mpd mpe mpm mpn mpp mpr mpt mra mrc mrd mre mrm mrn mrp mrr mrt mta mtc mtd mte mtm mtn mtp mtr mtt naa nac nad nae nam nan nap nar nat nca ncc ncd nce ncm ncn ncp ncr nct nda ndc ndd nde ndm ndn ndp ndr ndt ne- nea nec ned nee nem nen nep ner net nma nmc nmd nme nmm nmn nmp nmr nmt nna nnc nne nnm nnn nnp nnt npa npc npd npe npm npn npp npr npt nra nrc nrd nre nrm nrn nrp nrr nrt nta ntc ntd nte ntm ntn ntp ntr ntt p-p paa pac pad pae pam pan pap par pat pca pcc pcd pce pcm pcn pcp pcr pct pda pdc pdd pde pdm pdn pdp pdr pdt pea pec ped pee pem pen pep per pet pma pmc pmd pme pmm pmn pmp pmr pmt pn- pna pnc pnd pne pnm pnn pnp pnr pnt ppa ppc ppd ppe ppm ppn ppp ppr ppt pra prc prd pre prm prn prp prr prt pt- pta ptc ptd pte ptm ptn ptp ptr ptt ra- raa rac rad rae ram ran rap rar rat rca rcc rcd rce rcm rcn rcp rcr rct rda rdc rdd rde rdm rdn rdp rdr rdt re- rea rec red ree rem ren rep rer ret rma rmc rmd rme rmm rmn rmp rmr rmt rna rnc rnd rnm rnn rnp rnr rnt rpa rpc rpd rpe rpm rpn rpp rpr rpt rra rrc rrd rrm rrn rrp rrr rrt rta rtc rtd rte rtm rtn rtp rtr rtt taa tac tad tae tam tan tap tar tat tca tcc tcd tce tcm tcn tcp tcr tct tda tdc tdd tde tdm tdn tdp tdr tdt te- tea tec ted tee tem ten tep ter tet tma tmc tmd tme tmm tmn tmp tmr tmt tna tnc tnd tne tnm tnn tnp tnr tnt tpa tpc tpd tpe tpm tpn tpp tpr tpt tra trc trd tre trm trn trp trr trt tta ttc ttd tte ttm ttn ttp ttr ttt