rcg rci rcl rco rcr rct rcu rda rdc rdd rde rdg rdi rdl rdo rdr rdt rdu re- rea rec red ree reg rei rel reo rer ret reu rga rgc rgd rge rgg rgi rgo rgr rgt ria ric rid rie rig rii ril rio rir rit rla rlc rld rle rlg rli rll rlo rlr rlt rlu roa roc rod roe rog roi rol roo ror rot rou rra rrc rrd rrg rri rrl rrr rrt rru rta rtc rtd rte rtg rti rtl rto rtr rtt rtu rua ruc rud rue rug rui ruo rur rut ruu taa tac tad tae tag tai tal tao tar tat tau tca tcc tcd tce tcg tci tcl tco tcr tct tcu tda tdc tdd tde tdg tdi tdl tdo tdr tdt tdu te- tea tec ted tee teg tei tel teo ter tet teu tga tgc tge tgg tgi tgl tgo tgr tgt tgu tia tic tid tie tig tii til tio tir tit tiu tla tlc tld tle tlg tli tll tlo tlr tlt tlu to- toa toc tod toe tog toi tol too tor tot tou tra trc trd tre trg tri trl tro trr trt tru tta ttc ttd tte ttg tti ttl tto ttr ttt ttu tua tuc tud tue tug tui tul tuo tur tut tuu ua- uaa uac uad uae uag uai ual uao uar uat uau uca ucc ucd uce ucg uci ucl uco ucr uct ucu uda udc udd ude udg udi udl udo udr udt udu uea uec ued uee ueg uei uel uer uet uga ugc uge ugg ugi ugl ugo ugr ugt ugu uia uic uid uie uig uii uil uio uir uit uiu ula ulc uld ule ulg uli ull ulo ulr ult ulu uoa uoc uod uoe uog uol uoo uor uot ur- ura urc urd ure urg uri url uro urr urt uru uta utc utd ute uti utl uto utr utt utu uua uuc uue uug uur uut uuu