-er a-a a-t aaa aad aae aaf aak aan aar aat ad- ada add ade adf adk adn adr adt aea aed aee aef aek aen aer aet af- afa afd afe aff afk afn afr aft aka akd ake akk akn akr an- ana and ane anf ank ann anr ant ar- ara ard are arf ark arn arr art at- ata atd ate atf atn atr att daa dad dae daf dak dan dar dat dda ddd dde ddf ddk ddn ddr ddt de- dea ded dee def dek den der det dfa dfd dfe dff dfk dfn dfr dft dka dke dkk dkr dkt dna dnd dne dnf dnk dnn dnr dnt dra drd dre drk drn drr drt dta dtd dte dtf dtk dtn dtr dtt eaa ead eae eaf eak ean ear eat ed- eda edd ede edf edk edn edr edt eea eed eee eef eek een eer eet ef- efa efd efe eff efr eft eka ekd eke ekf ekr ekt en- ena end ene enf enk enn enr ent era erd ere erf erk ern err ert eta etd ete etf etk etn etr ett faa fad fae faf fak fan far fat fda fdd fde fdf fdk fdn fdr fdt fea fed fee fef fek fen fer fet ffa ffd ffe fff ffk ffn ffr fft fka fkf fkk fkt fna fnd fne fnf fnk fnn fnr fnt fra frd fre frf frk frn frr frt fta ftd fte ftf ftk ftn ftr ftt k-t ka- kaa kad kae kaf kak kan kar kat kda kde kdf kdk kdr kdt ke- kea ked kee kef kek ken ker ket kfa kfd kff kke kkk kkn kkr kkt kn- kna knd kne knf knk knn knr knt kra krd krf krk krn krr krt kta kte ktf ktk ktn ktr ktt naa nad nae naf nak nan nar nat nda ndd nde ndf ndk ndn ndr ndt ne- nea ned nee nef nek nen ner net nfa nfd nfe nff nfk nfn nfr nft nka nke nkf nkk nkn nkr nkt nna nne nnf nnk nnn nnt nra nrd nre nrf nrk nrn nrr nrt nta ntd nte ntf ntk ntn ntr ntt ra- raa rad rae raf rak ran rar rat rda rdd rde rdf rdn rdr rdt re- rea red ree ref rek ren rer ret rfa rfd rfe rff rfk rfn rfr rft rke rkf rkk rkt rna rnd rnn rnr rnt rra rrd rrf rrk rrn rrr rrt rta rtd rte rtf rtk rtn rtr rtt taa tad tae taf tak tan tar tat tda tdd tde tdf tdk tdn tdr tdt te- tea ted tee tef tek ten ter tet tfa tfd tfe tff tfk tfn tfr tft tka tke tkk tkr tkt tna tnd tne tnf tnk tnn tnr tnt tra trd tre trf trk trn trr trt tta ttd tte ttf ttk ttn ttr ttt