-up a-a a-c a-t aaa aac aap aar aat aau ac- aca acc acp acr act acu ap- apa apc app apr apt apu ar- ara arc arp arr art aru at- ata atc atp atr att atu au- aua auc aup aur aut c-- caa cac cap car cat cau cca ccc ccp ccr cct ccu cpa cpc cpp cpr cpt cpu cra crc crp crr crt cru cta ctc ctp ctr ctt ctu cua cuc cup cur cut cuu p-p paa pac pap par pat pau pca pcc pcp pcr pct pcu ppa ppc ppp ppr ppt ppu pra prc prp prr prt pru pt- pta ptc ptp ptr ptt ptu pua puc pup pur put puu ra- raa rac rap rar rat rau rca rcc rcp rcr rct rcu rpa rpc rpp rpr rpt rpu rra rrc rrp rrr rrt rru rta rtc rtp rtr rtt rtu rua ruc rup rur rut ruu taa tac tap tar tat tau tca tcc tcp tcr tct tcu tpa tpc tpp tpr tpt tpu tra trc trp trr trt tru tta ttc ttp ttr ttt ttu tua tuc tup tur tut tuu ua- uaa uac uap uar uat uau uca ucc ucp ucr uct ucu up- upa upc upp upr upt upu ur- ura urc urp urr urt uru uta utc utp utr utt utu uua uuc uur uut uuu