rao rap rar rat rau rca rcc rcd rce rci rcl rco rcp rcr rct rcu rda rdc rdd rde rdi rdl rdo rdp rdr rdt rdu re- rea rec red ree rei rel reo rep rer ret reu ria ric rid rie rii ril rio rip rir rit rla rlc rld rle rli rll rlo rlp rlr rlt rlu roa roc rod roe roi rol roo rop ror rot rou rpa rpc rpd rpe rpi rpl rpo rpp rpr rpt rpu rra rrc rrd rri rrl rrp rrr rrt rru rta rtc rtd rte rti rtl rto rtp rtr rtt rtu rua ruc rud rue rui ruo rup rur rut ruu taa tac tad tae tai tal tao tap tar tat tau tca tcc tcd tce tci tcl tco tcp tcr tct tcu tda tdc tdd tde tdi tdl tdo tdp tdr tdt tdu te- tea tec ted tee tei tel teo tep ter tet teu tia tic tid tie tii til tio tip tir tit tiu tla tlc tld tle tli tll tlo tlp tlr tlt tlu to- toa toc tod toe toi tol too top tor tot tou tpa tpc tpd tpe tpi tpl tpo tpp tpr tpt tpu tra trc trd tre tri trl tro trp trr trt tru tta ttc ttd tte tti ttl tto ttp ttr ttt ttu tua tuc tud tue tui tul tuo tup tur tut tuu ua- uaa uac uad uae uai ual uao uap uar uat uau uca ucc ucd uce uci ucl uco ucp ucr uct ucu uda udc udd ude udi udl udo udp udr udt udu uea uec ued uee uei uel uep uer uet uia uic uid uie uii uil uio uip uir uit uiu ula ulc uld ule uli ull ulo ulp ulr ult ulu uoa uoc uod uoe uol uoo uop uor uot up- upa upc upd upe upi upo upp upr upt upu ur- ura urc urd ure uri url uro urp urr urt uru uta utc utd ute uti utl uto utp utr utt utu uua uuc uue uur uut uuu