rbe rbh rbi rbl rbr rbt rbu rca rcb rcc rcd rce rch rci rcl rcr rct rcu rda rdb rdc rdd rde rdh rdi rdl rdr rdt rdu re- rea reb rec red ree reh rei rel rer ret reu rh- rha rhb rhc rhd rhe rhh rhi rhl rhr rht rhu ria rib ric rid rie rih rii ril rir rit rla rlc rld rle rlh rli rll rlr rlt rlu rra rrb rrc rrd rrh rri rrl rrr rrt rru rta rtb rtc rtd rte rti rtl rtr rtt rtu rua rub ruc rud rue ruh rui rur rut ruu taa tab tac tad tae tah tai tal tar tat tau tba tbb tbc tbd tbe tbh tbi tbl tbr tbt tbu tca tcb tcc tcd tce tch tci tcl tcr tct tcu tda tdb tdc tdd tde tdh tdi tdl tdr tdt tdu te- tea teb tec ted tee teh tei tel ter tet teu th- tha thb thc thd the thh thi thl thr tht thu tia tib tic tid tie tih tii til tir tit tiu tla tlc tld tle tlh tli tll tlr tlt tlu tra trb trc trd tre trh tri trl trr trt tru tta ttb ttc ttd tte tth tti ttl ttr ttt ttu tua tub tuc tud tue tuh tui tul tur tut tuu ua- uaa uab uac uad uae uah uai ual uar uat uau uba ubb ubc ube ubh ubi ubl ubr ubt ubu uca ucb ucc ucd uce uch uci ucl ucr uct ucu uda udb udc udd ude udi udl udr udt udu uea ueb uec ued uee ueh uei uel uer uet uha uhb uhc uhd uhe uhh uhi uhl uhr uht uhu uia uib uic uid uie uii uil uir uit uiu ula ulb ulc uld ule uli ull ulr ult ulu ur- ura urb urc urd ure uri url urr urt uru uta utb utc utd ute uth uti utl utr utt utu uua uuc uue uur uut uuu