rdr rdt rdu re- rea rec red ree reg reh ren reo rer ret reu rga rgc rgd rge rgg rgh rgn rgo rgr rgt rh- rha rhc rhd rhe rhg rhh rhn rho rhr rht rhu rna rnc rnd rng rnh rnn rno rnr rnt rnu roa roc rod roe rog roh ron roo ror rot rou rra rrc rrd rrg rrh rrn rrr rrt rru rta rtc rtd rte rtg rtn rto rtr rtt rtu rua ruc rud rue rug ruh run ruo rur rut ruu taa tac tad tae tag tah tan tao tar tat tau tca tcc tcd tce tcg tch tcn tco tcr tct tcu tda tdc tdd tde tdg tdh tdn tdo tdr tdt tdu te- tea tec ted tee teg teh ten teo ter tet teu tga tgc tge tgg tgh tgn tgo tgr tgt tgu th- tha thc thd the thg thh thn tho thr tht thu tna tnc tnd tne tng tnh tnn tno tnr tnt to- toa toc tod toe tog toh ton too tor tot tou tra trc trd tre trg trh trn tro trr trt tru tta ttc ttd tte ttg tth ttn tto ttr ttt ttu tua tuc tud tue tug tuh tun tuo tur tut tuu ua- uaa uac uad uae uag uah uan uao uar uat uau uca ucc ucd uce ucg uch ucn uco ucr uct ucu uda udc udd ude udg udn udo udr udt udu uea uec ued uee ueg ueh uen uer uet uga ugc uge ugg ugh ugn ugo ugr ugt ugu uha uhc uhd uhe uhh uho uhr uht uhu un- una unc und une ung unh unn uno unr unt unu uoa uoc uod uoe uog uon uoo uor uot ur- ura urc urd ure urg urn uro urr urt uru uta utc utd ute uth utn uto utr utt utu uua uuc uue uug uun uur uut uuu