-er a-a a-t aaa aad aae aan aap aar aat ad- ada add ade adn adp adr adt aea aed aee aen aep aer aet an- ana and ane ann anp anr ant ap- apa apd ape apn app apr apt ar- ara ard are arn arp arr art at- ata atd ate atn atp atr att daa dad dae dan dap dar dat dda ddd dde ddn ddp ddr ddt de- dea ded dee den dep der det dna dnd dne dnn dnp dnr dnt dpa dpd dpe dpn dpp dpr dpt dra drd dre drn drp drr drt dta dtd dte dtn dtp dtr dtt eaa ead eae ean eap ear eat ed- eda edd ede edn edp edr edt eea eed eee een eep eer eet en- ena end ene enn enp enr ent ep- epa epd epe epn epp epr ept era erd ere ern erp err ert eta etd ete etn etp etr ett naa nad nae nan nap nar nat nda ndd nde ndn ndp ndr ndt ne- nea ned nee nen nep ner net nna nne nnn nnp nnt npa npd npe npn npp npr npt nra nrd nre nrn nrp nrr nrt nta ntd nte ntn ntp ntr ntt p-p paa pad pae pan pap par pat pda pdd pde pdn pdp pdr pdt pea ped pee pen pep per pet pn- pna pnd pne pnn pnp pnr pnt ppa ppd ppe ppn ppp ppr ppt pra prd pre prn prp prr prt pt- pta ptd pte ptn ptp ptr ptt ra- raa rad rae ran rap rar rat rda rdd rde rdn rdp rdr rdt re- rea red ree ren rep rer ret rna rnd rnn rnp rnr rnt rpa rpd rpe rpn rpp rpr rpt rra rrd rrn rrp rrr rrt rta rtd rte rtn rtp rtr rtt taa tad tae tan tap tar tat tda tdd tde tdn tdp tdr tdt te- tea ted tee ten tep ter tet tna tnd tne tnn tnp tnr tnt tpa tpd tpe tpn tpp tpr tpt tra trd tre trn trp trr trt tta ttd tte ttn ttp ttr ttt