rni rnm rnn rno rnp rnr rnt rnu roc roe roi rok rom ron roo rop ror rot rou rpc rpe rpi rpk rpm rpn rpo rpp rpr rpt rpu rrc rri rrk rrm rrn rrp rrr rrt rru rtc rte rti rtk rtm rtn rto rtp rtr rtt rtu ruc rue rui ruk rum run ruo rup rur rut ruu tcc tce tci tck tcm tcn tco tcp tcr tct tcu te- tec tee tei tek tem ten teo tep ter tet teu tic tie tii tik tim tin tio tip tir tit tiu tkc tke tkk tkm tko tkp tkr tkt tmc tme tmi tmk tmm tmn tmo tmp tmr tmt tmu tnc tne tni tnk tnm tnn tno tnp tnr tnt to- toc toe toi tok tom ton too top tor tot tou tpc tpe tpi tpk tpm tpn tpo tpp tpr tpt tpu trc tre tri trk trm trn tro trp trr trt tru ttc tte tti ttk ttm ttn tto ttp ttr ttt ttu tuc tue tui tuk tum tun tuo tup tur tut tuu ucc uce uci uck ucm ucn uco ucp ucr uct ucu uec uee uei uem uen uep uer uet uic uie uii uim uin uio uip uir uit uiu ukc uke uki ukk ukn ukp ukr uku um- umc ume umi umm umn umo ump umr umt umu un- unc une uni unk unm unn uno unp unr unt unu uoc uoe uok uom uon uoo uop uor uot up- upc upe upi upk upm upn upo upp upr upt upu ur- urc ure uri urk urm urn uro urp urr urt uru utc ute uti utk utm utn uto utp utr utt utu uuc uue uum uun uur uut uuu