rgp rgr rgt ric rid rif rig rii rin rio rip rir rit rnc rnd rng rni rnn rno rnp rnr rnt rnu roc rod rof rog roi ron roo rop ror rot rou rpc rpd rpf rpg rpi rpn rpo rpp rpr rpt rpu rrc rrd rrf rrg rri rrn rrp rrr rrt rru rtc rtd rtf rtg rti rtn rto rtp rtr rtt rtu ruc rud ruf rug rui run ruo rup rur rut ruu tcc tcd tcf tcg tci tcn tco tcp tcr tct tcu tdc tdd tdf tdg tdi tdn tdo tdp tdr tdt tdu tfc tfd tff tfg tfi tfn tfo tfp tfr tft tfu tgc tgf tgg tgi tgn tgo tgp tgr tgt tgu tic tid tif tig tii tin tio tip tir tit tiu tnc tnd tnf tng tni tnn tno tnp tnr tnt to- toc tod tof tog toi ton too top tor tot tou tpc tpd tpf tpg tpi tpn tpo tpp tpr tpt tpu trc trd trf trg tri trn tro trp trr trt tru ttc ttd ttf ttg tti ttn tto ttp ttr ttt ttu tuc tud tuf tug tui tun tuo tup tur tut tuu ucc ucd ucf ucg uci ucn uco ucp ucr uct ucu udc udd udf udg udi udn udo udp udr udt udu ufc ufd uff ufg ufi ufn ufo ufp ufr uft ufu ugc ugf ugg ugi ugn ugo ugp ugr ugt ugu uic uid uif uig uii uin uio uip uir uit uiu un- unc und unf ung uni unn uno unp unr unt unu uoc uod uog uon uoo uop uor uot up- upc upd upf upg upi upn upo upp upr upt upu ur- urc urd urf urg uri urn uro urp urr urt uru utc utd utf uti utn uto utp utr utt utu uuc uug uun uur uut uuu