rfa rfc rff rfg rfi rfn rfo rfp rfr rft rfu rga rgc rgf rgg rgi rgn rgo rgp rgr rgt ria ric rif rig rii rin rio rip rir rit rna rnc rng rni rnn rno rnp rnr rnt rnu roa roc rof rog roi ron roo rop ror rot rou rpa rpc rpf rpg rpi rpn rpo rpp rpr rpt rpu rra rrc rrf rrg rri rrn rrp rrr rrt rru rta rtc rtf rtg rti rtn rto rtp rtr rtt rtu rua ruc ruf rug rui run ruo rup rur rut ruu taa tac taf tag tai tan tao tap tar tat tau tca tcc tcf tcg tci tcn tco tcp tcr tct tcu tfa tfc tff tfg tfi tfn tfo tfp tfr tft tfu tga tgc tgf tgg tgi tgn tgo tgp tgr tgt tgu tia tic tif tig tii tin tio tip tir tit tiu tna tnc tnf tng tni tnn tno tnp tnr tnt to- toa toc tof tog toi ton too top tor tot tou tpa tpc tpf tpg tpi tpn tpo tpp tpr tpt tpu tra trc trf trg tri trn tro trp trr trt tru tta ttc ttf ttg tti ttn tto ttp ttr ttt ttu tua tuc tuf tug tui tun tuo tup tur tut tuu ua- uaa uac uaf uag uai uan uao uap uar uat uau uca ucc ucf ucg uci ucn uco ucp ucr uct ucu ufa ufc uff ufg ufi ufn ufo ufp ufr uft ufu uga ugc ugf ugg ugi ugn ugo ugp ugr ugt ugu uia uic uif uig uii uin uio uip uir uit uiu un- una unc unf ung uni unn uno unp unr unt unu uoa uoc uog uon uoo uop uor uot up- upa upc upf upg upi upn upo upp upr upt upu ur- ura urc urf urg uri urn uro urp urr urt uru uta utc utf uti utn uto utp utr utt utu uua uuc uug uun uur uut uuu