rbp rbr rbt rbu rca rcb rcc rce rch rcl rco rcp rcr rct rcu re- rea reb rec ree reh rel reo rep rer ret reu rh- rha rhb rhc rhe rhh rhl rho rhp rhr rht rhu rla rlc rle rlh rll rlo rlp rlr rlt rlu roa rob roc roe roh rol roo rop ror rot rou rpa rpb rpc rpe rph rpl rpo rpp rpr rpt rpu rra rrb rrc rrh rrl rrp rrr rrt rru rta rtb rtc rte rtl rto rtp rtr rtt rtu rua rub ruc rue ruh ruo rup rur rut ruu taa tab tac tae tah tal tao tap tar tat tau tba tbb tbc tbe tbh tbl tbo tbp tbr tbt tbu tca tcb tcc tce tch tcl tco tcp tcr tct tcu te- tea teb tec tee teh tel teo tep ter tet teu th- tha thb thc the thh thl tho thp thr tht thu tla tlc tle tlh tll tlo tlp tlr tlt tlu to- toa tob toc toe toh tol too top tor tot tou tpa tpb tpc tpe tph tpl tpo tpp tpr tpt tpu tra trb trc tre trh trl tro trp trr trt tru tta ttb ttc tte tth ttl tto ttp ttr ttt ttu tua tub tuc tue tuh tul tuo tup tur tut tuu ua- uaa uab uac uae uah ual uao uap uar uat uau uba ubb ubc ube ubh ubl ubo ubp ubr ubt ubu uca ucb ucc uce uch ucl uco ucp ucr uct ucu uea ueb uec uee ueh uel uep uer uet uha uhb uhc uhe uhh uhl uho uhp uhr uht uhu ula ulb ulc ule ull ulo ulp ulr ult ulu uoa uob uoc uoe uol uoo uop uor uot up- upa upb upc upe uph upo upp upr upt upu ur- ura urb urc ure url uro urp urr urt uru uta utb utc ute uth utl uto utp utr utt utu uua uuc uue uur uut uuu