rau rba rbb rbc rbe rbf rbi rbl rbm rbr rbt rbu rca rcb rcc rce rcf rci rcl rcm rcr rct rcu re- rea reb rec ree ref rei rel rem rer ret reu rfa rfb rfc rfe rff rfi rfl rfm rfr rft rfu ria rib ric rie rif rii ril rim rir rit rla rlc rle rlf rli rll rlm rlr rlt rlu rma rmb rmc rme rmf rmi rml rmm rmr rmt rra rrb rrc rrf rri rrl rrm rrr rrt rru rta rtb rtc rte rtf rti rtl rtm rtr rtt rtu rua rub ruc rue ruf rui rum rur rut ruu taa tab tac tae taf tai tal tam tar tat tau tba tbb tbc tbe tbf tbi tbl tbm tbr tbt tbu tca tcb tcc tce tcf tci tcl tcm tcr tct tcu te- tea teb tec tee tef tei tel tem ter tet teu tfa tfb tfc tfe tff tfi tfl tfm tfr tft tfu tia tib tic tie tif tii til tim tir tit tiu tla tlc tle tlf tli tll tlm tlr tlt tlu tma tmb tmc tme tmf tmi tml tmm tmr tmt tmu tra trb trc tre trf tri trl trm trr trt tru tta ttb ttc tte ttf tti ttl ttm ttr ttt ttu tua tub tuc tue tuf tui tul tum tur tut tuu ua- uaa uab uac uae uaf uai ual uam uar uat uau uba ubb ubc ube ubf ubi ubl ubr ubt ubu uca ucb ucc uce ucf uci ucl ucm ucr uct ucu uea ueb uec uee uef uei uel uem uer uet ufa ufc ufe uff ufi ufl ufm ufr uft ufu uia uib uic uie uif uii uil uim uir uit uiu ula ulb ulc ule ulf uli ull ulm ulr ult ulu um- uma umb umc ume umf umi uml umm umr umt umu ur- ura urb urc ure urf uri url urm urr urt uru uta utb utc ute utf uti utl utm utr utt utu uua uuc uue uum uur uut uuu