rbr rbt rbu rca rcb rcc rcg rch rci rco rcp rcr rct rcu rga rgb rgc rgg rgh rgi rgo rgp rgr rgt rh- rha rhb rhc rhg rhh rhi rho rhp rhr rht rhu ria rib ric rig rih rii rio rip rir rit roa rob roc rog roh roi roo rop ror rot rou rpa rpb rpc rpg rph rpi rpo rpp rpr rpt rpu rra rrb rrc rrg rrh rri rrp rrr rrt rru rta rtb rtc rtg rti rto rtp rtr rtt rtu rua rub ruc rug ruh rui ruo rup rur rut ruu taa tab tac tag tah tai tao tap tar tat tau tba tbb tbc tbg tbh tbi tbo tbp tbr tbt tbu tca tcb tcc tcg tch tci tco tcp tcr tct tcu tga tgb tgc tgg tgh tgi tgo tgp tgr tgt tgu th- tha thb thc thg thh thi tho thp thr tht thu tia tib tic tig tih tii tio tip tir tit tiu to- toa tob toc tog toh toi too top tor tot tou tpa tpb tpc tpg tph tpi tpo tpp tpr tpt tpu tra trb trc trg trh tri tro trp trr trt tru tta ttb ttc ttg tth tti tto ttp ttr ttt ttu tua tub tuc tug tuh tui tuo tup tur tut tuu ua- uaa uab uac uag uah uai uao uap uar uat uau uba ubb ubc ubg ubh ubi ubo ubp ubr ubt ubu uca ucb ucc ucg uch uci uco ucp ucr uct ucu uga ugb ugc ugg ugh ugi ugo ugp ugr ugt ugu uha uhb uhc uhh uhi uho uhp uhr uht uhu uia uib uic uig uii uio uip uir uit uiu uoa uob uoc uog uoo uop uor uot up- upa upb upc upg uph upi upo upp upr upt upu ur- ura urb urc urg uri uro urp urr urt uru uta utb utc uth uti uto utp utr utt utu uua uuc uug uur uut uuu