-ic a-a a-c a-i a-t aaa aac aad aai aap aar aas aat ac- aca acc acd aci acp acr acs act ad- ada adc add adi adp adr ads adt ai- aia aic aid aii aip air ais ait ap- apa apc apd api app apr aps apt ar- ara arc ard ari arp arr ars art as- asa asc asd asi asp asr ass ast at- ata atc atd ati atp atr ats att c-- caa cac cad cai cap car cas cat cca ccc ccd cci ccp ccr ccs cct cda cdc cdd cdi cdp cdr cds cdt ci- cia cic cid cii cip cir cis cit cpa cpc cpd cpi cpp cpr cps cpt cra crc crd cri crp crr crs crt csa csc csd csi csp csr css cst cta ctc ctd cti ctp ctr cts ctt daa dac dad dai dap dar das dat dca dcc dcd dci dcp dcr dcs dct dda ddc ddd ddi ddp ddr dds ddt di- dia dic did dii dip dir dis dit dpa dpc dpd dpi dpp dpr dps dpt dra drc drd dri drp drr drs drt dsa dsc dsd dsi dsp dsr dss dst dta dtc dtd dti dtp dtr dts dtt i-d ia- iaa iac iad iai iap iar ias iat ica icc icd ici icp icr ics ict ida idc idd idi idp idr ids idt iia iic iid iii iip iir iis iit ipa ipc ipd ipi ipp ipr ips ipt ir- ira irc ird iri irp irr irs irt is- isa isc isd isi isp isr iss ist ita itc itd iti itp its itt p-p paa pac pad pai pap par pas pat pca pcc pcd pci pcp pcr pcs pct pda pdc pdd pdi pdp pdr pds pdt pia pic pid pii pip pir pis pit ppa ppc ppd ppi ppp ppr pps ppt pra prc prd pri prp prr prs prt ps- psa psc psd psi psp psr pss pst pt- pta ptc ptd pti ptp ptr pts ptt ra- raa rac rad rai rap rar ras rat rca rcc rcd rci rcp rcr rcs rct rda rdc rdd rdi rdp rdr rds rdt ria ric rid rii rip rir ris rit rpa rpc rpd rpi rpp rpr rps rpt rra rrc rrd rri rrp rrr rrs rrt rsa rsc rsd rsi rsp rsr rss rst rta rtc rtd rti rtp rtr rts rtt saa sac sad sai sap sar sas sat sca scc scd sci scp scr scs sct sda sdc sdd sdi sdp sdr sds sdt sia sic sid sii sip sir sis sit spa spc spd spi spp spr sps spt sr- sra src srd sri srp srr srs srt ss- ssa ssc ssd ssi ssp ssr sss sst sta stc std sti stp str sts stt taa tac tad tai tap tar tas tat tca tcc tcd tci tcp tcr tcs tct tda tdc tdd tdi tdp tdr tds tdt tia tic tid tii tip tir tis tit tpa tpc tpd tpi tpp tpr tps tpt tra trc trd tri trp trr trs trt tsa tsc tsd tsi tsp tsr tss tst tta ttc ttd tti ttp ttr tts ttt