-ic a-a a-b a-c a-i aaa aab aac aah aai aap aar aas ab- aba abb abc abh abi abp abr abs ac- aca acb acc ach aci acp acr acs aha ahb ahc ahh ahi ahp ahr ahs ai- aia aib aic aih aii aip air ais ap- apa apb apc aph api app apr aps ar- ara arb arc arh ari arp arr ars as- asa asb asc ash asi asp asr ass b-p baa bab bac bah bai bap bar bas bba bbb bbc bbh bbi bbp bbr bbs bca bcb bcc bch bci bcp bcr bcs bha bhb bhc bhh bhi bhp bhr bhs bi- bia bib bic bih bii bip bir bis bpa bpb bpc bph bpi bpp bpr bps bra brb brh bri brp brr brs bsa bsb bsc bsh bsi bsp bsr bss c-- caa cab cac cah cai cap car cas cba cbb cbc cbh cbi cbp cbr cbs cca ccb ccc cch cci ccp ccr ccs ch- cha chb chc chh chi chp chr chs ci- cia cib cic cih cii cip cir cis cpa cpb cpc cph cpi cpp cpr cps cra crb crc crh cri crp crr crs csa csb csc csh csi csp csr css h-i haa hab hac hah hai hap har has hba hbb hbc hbh hbi hbp hbr hbs hca hcb hcc hch hci hcp hcr hcs hha hhb hhc hhh hhi hhp hhr hhs hia hib hic hih hii hip hir his hpa hpb hpc hph hpi hpp hpr hps hr- hra hrb hrc hrh hri hrp hrr hrs hsa hsb hsc hsh hsi hsp hsr hss ia- iaa iab iac iah iai iap iar ias iba ibb ibc ibh ibi ibp ibr ibs ica icb icc ich ici icp icr ics iha ihb ihc ihh ihi ihp ihr ihs iia iib iic iih iii iip iir iis ipa ipb ipc ipi ipp ipr ips ir- ira irb irc iri irp irr irs is- isa isb isc ish isi isp isr iss p-p paa pab pac pah pai pap par pas pba pbb pbc pbi pbp pbr pbs pca pcb pcc pch pci pcp pcr pcs pha phb phc phi php phr phs pia pib pic pih pii pip pir pis ppa ppb ppc pph ppi ppp ppr pps pra prb prc prh pri prp prr prs ps- psa psb psc psh psi psp psr pss ra- raa rab rac rah rai rap rar ras rba rbb rbc rbh rbi rbp rbr rbs rca rcb rcc rch rci rcp rcr rcs rh- rha rhb rhc rhh rhi rhp rhr rhs ria rib ric rih rii rip rir ris rpa rpb rpc rph rpi rpp rpr rps rra rrb rrc rrh rri rrp rrr rrs rsa rsb rsc rsh rsi rsp rsr rss saa sab sac sah sai sap sar sas sba sbb sbc sbh sbi sbp sbr sbs sca scb scc sch sci scp scr scs sh- sha shb shc shh shi shp shr shs sia sib sic sih sii sip sir sis spa spb spc sph spi spp spr sps sr- sra srb src srh sri srp srr srs ss- ssa ssb ssc ssh ssi ssp ssr sss