-ic a-a a-c a-i a-t aaa aac aai aao aap aar aat ac- aca acc aci aco acp acr act ai- aia aic aii aio aip air ait aoa aoc aoi aoo aop aor aot ap- apa apc api apo app apr apt ar- ara arc ari aro arp arr art at- ata atc ati ato atp atr att c-- caa cac cai cao cap car cat cca ccc cci cco ccp ccr cct ci- cia cic cii cio cip cir cit co- coa coc coi coo cop cor cot cpa cpc cpi cpo cpp cpr cpt cra crc cri cro crp crr crt cta ctc cti cto ctp ctr ctt ia- iaa iac iai iao iap iar iat ica icc ici ico icp icr ict iia iic iii iio iip iir iit io- ioa ioc ioi ioo iop ior iot ipa ipc ipi ipo ipp ipr ipt ir- ira irc iri iro irp irr irt ita itc iti ito itp itt o-i oaa oac oai oao oap oar oat oc- oca occ oci oco ocp ocr oct oia oic oii oio oip oir oit oo- ooa ooc ooi ooo oop oor oot op- opa opc opi opo opp opr opt or- ora orc ori oro orp orr ort ot- ota otc oti oto otp otr ott p-p paa pac pai pao pap par pat pca pcc pci pco pcp pcr pct pia pic pii pio pip pir pit poa poc poi poo pop por pot ppa ppc ppi ppo ppp ppr ppt pra prc pri pro prp prr prt pt- pta ptc pti pto ptp ptr ptt ra- raa rac rai rao rap rar rat rca rcc rci rco rcp rcr rct ria ric rii rio rip rir rit roa roc roi roo rop ror rot rpa rpc rpi rpo rpp rpr rpt rra rrc rri rrp rrr rrt rta rtc rti rto rtp rtr rtt taa tac tai tao tap tar tat tca tcc tci tco tcp tcr tct tia tic tii tio tip tir tit to- toa toc toi too top tor tot tpa tpc tpi tpo tpp tpr tpt tra trc tri tro trp trr trt tta ttc tti tto ttp ttr ttt