rcg rch rco rcr rct rcu rda rdb rdc rdd rde rdg rdh rdo rdr rdt rdu re- rea reb rec red ree reg reh reo rer ret reu rga rgb rgc rgd rge rgg rgh rgo rgr rgt rh- rha rhb rhc rhd rhe rhg rhh rho rhr rht rhu roa rob roc rod roe rog roh roo ror rot rou rra rrb rrc rrd rrg rrh rrr rrt rru rta rtb rtc rtd rte rtg rto rtr rtt rtu rua rub ruc rud rue rug ruh ruo rur rut ruu taa tab tac tad tae tag tah tao tar tat tau tba tbb tbc tbd tbe tbg tbh tbo tbr tbt tbu tca tcb tcc tcd tce tcg tch tco tcr tct tcu tda tdb tdc tdd tde tdg tdh tdo tdr tdt tdu te- tea teb tec ted tee teg teh teo ter tet teu tga tgb tgc tge tgg tgh tgo tgr tgt tgu th- tha thb thc thd the thg thh tho thr tht thu to- toa tob toc tod toe tog toh too tor tot tou tra trb trc trd tre trg trh tro trr trt tru tta ttb ttc ttd tte ttg tth tto ttr ttt ttu tua tub tuc tud tue tug tuh tuo tur tut tuu ua- uaa uab uac uad uae uag uah uao uar uat uau uba ubb ubc ube ubg ubh ubo ubr ubt ubu uca ucb ucc ucd uce ucg uch uco ucr uct ucu uda udb udc udd ude udg udo udr udt udu uea ueb uec ued uee ueg ueh uer uet uga ugb ugc uge ugg ugh ugo ugr ugt ugu uha uhb uhc uhd uhe uhh uho uhr uht uhu uoa uob uoc uod uoe uog uoo uor uot ur- ura urb urc urd ure urg uro urr urt uru uta utb utc utd ute uth uto utr utt utu uua uuc uue uug uur uut uuu