-ic a-a a-c a-i a-t aaa aac aai aap aar aat ac- aca acc aci acp acr act ai- aia aic aii aip air ait ap- apa apc api app apr apt ar- ara arc ari arp arr art at- ata atc ati atp atr att c-- caa cac cai cap car cat cca ccc cci ccp ccr cct ci- cia cic cii cip cir cit cpa cpc cpi cpp cpr cpt cra crc cri crp crr crt cta ctc cti ctp ctr ctt ia- iaa iac iai iap iar iat ica icc ici icp icr ict iia iic iii iip iir iit ipa ipc ipi ipp ipr ipt ir- ira irc iri irp irr irt ita itc iti itp itt p-p paa pac pai pap par pat pca pcc pci pcp pcr pct pia pic pii pip pir pit ppa ppc ppi ppp ppr ppt pra prc pri prp prr prt pt- pta ptc pti ptp ptr ptt ra- raa rac rai rap rar rat rca rcc rci rcp rcr rct ria ric rii rip rir rit rpa rpc rpi rpp rpr rpt rra rrc rri rrp rrr rrt rta rtc rti rtp rtr rtt taa tac tai tap tar tat tca tcc tci tcp tcr tct tia tic tii tip tir tit tpa tpc tpi tpp tpr tpt tra trc tri trp trr trt tta ttc tti ttp ttr ttt