-ic a-a a-c a-i a-z aaa aac aad aai aap aar aas aaz ac- aca acc acd aci acp acr acs acz ad- ada adc add adi adp adr ads adz ai- aia aic aid aii aip air ais aiz ap- apa apc apd api app apr aps ar- ara arc ard ari arp arr ars arz as- asa asc asd asi asp asr ass asz az- aza azd azi azp azs azz c-- caa cac cad cai cap car cas caz cca ccc ccd cci ccp ccr ccs ccz cda cdc cdd cdi cdp cdr cds cdz ci- cia cic cid cii cip cir cis cpa cpc cpd cpi cpp cpr cps cpz cra crc crd cri crp crr crs crz csa csc csd csi csp csr css csz cz- czc czd daa dac dad dai dap dar das daz dca dcc dcd dci dcp dcr dcs dda ddc ddd ddi ddp ddr dds ddz di- dia dic did dii dip dir dis diz dpa dpc dpd dpi dpp dpr dps dpz dra drc drd dri drp drr drs drz dsa dsc dsd dsi dsp dsr dss dsz dza dzd dzi dzp dzr dzs i-d ia- iaa iac iad iai iap iar ias iaz ica icc icd ici icp icr ics icz ida idc idd idi idp idr ids iia iic iid iii iip iir iis ipa ipc ipd ipi ipp ipr ips ir- ira irc ird iri irp irr irs is- isa isc isd isi isp isr iss iza izi izz p-p paa pac pad pai pap par pas paz pca pcc pcd pci pcp pcr pcs pda pdc pdd pdi pdp pdr pds pdz pia pic pid pii pip pir pis piz ppa ppc ppd ppi ppp ppr pps ppz pra prc prd pri prp prr prs prz ps- psa psc psd psi psp psr pss pzc pzp ra- raa rac rad rai rap rar ras raz rca rcc rcd rci rcp rcr rcs rda rdc rdd rdi rdp rdr rds ria ric rid rii rip rir ris riz rpa rpc rpd rpi rpp rpr rps rpz rra rrc rrd rri rrp rrr rrs rsa rsc rsd rsi rsp rsr rss rza saa sac sad sai sap sar sas saz sca scc scd sci scp scr scs sda sdc sdd sdi sdp sdr sds sdz sia sic sid sii sip sir sis spa spc spd spi spp spr sps spz sr- sra src srd sri srp srr srs ss- ssa ssc ssd ssi ssp ssr sss ssz sza szd szi szp szr zaa zac zad zai zap zar zas zaz zcs zds zia zid zip zir zis ziz zpc zpi zpp zpr zrp zrs zsa zsi zsz zzr zzs zzz