rcg rci rcn rco rcr rct rcu rda rdc rdd rde rdg rdi rdn rdo rdr rdt rdu re- rea rec red ree reg rei ren reo rer ret reu rga rgc rgd rge rgg rgi rgn rgo rgr rgt ria ric rid rie rig rii rin rio rir rit rna rnc rnd rng rni rnn rno rnr rnt rnu roa roc rod roe rog roi ron roo ror rot rou rra rrc rrd rrg rri rrn rrr rrt rru rta rtc rtd rte rtg rti rtn rto rtr rtt rtu rua ruc rud rue rug rui run ruo rur rut ruu taa tac tad tae tag tai tan tao tar tat tau tca tcc tcd tce tcg tci tcn tco tcr tct tcu tda tdc tdd tde tdg tdi tdn tdo tdr tdt tdu te- tea tec ted tee teg tei ten teo ter tet teu tga tgc tge tgg tgi tgn tgo tgr tgt tgu tia tic tid tie tig tii tin tio tir tit tiu tna tnc tnd tne tng tni tnn tno tnr tnt to- toa toc tod toe tog toi ton too tor tot tou tra trc trd tre trg tri trn tro trr trt tru tta ttc ttd tte ttg tti ttn tto ttr ttt ttu tua tuc tud tue tug tui tun tuo tur tut tuu ua- uaa uac uad uae uag uai uan uao uar uat uau uca ucc ucd uce ucg uci ucn uco ucr uct ucu uda udc udd ude udg udi udn udo udr udt udu uea uec ued uee ueg uei uen uer uet uga ugc uge ugg ugi ugn ugo ugr ugt ugu uia uic uid uie uig uii uin uio uir uit uiu un- una unc und une ung uni unn uno unr unt unu uoa uoc uod uoe uog uon uoo uor uot ur- ura urc urd ure urg uri urn uro urr urt uru uta utc utd ute uti utn uto utr utt utu uua uuc uue uug uun uur uut uuu