-ic a-a a-b a-c a-i aaa aab aac aad aah aai aar aas ab- aba abb abc abd abh abi abr abs ac- aca acb acc acd ach aci acr acs ad- ada adb adc add adh adi adr ads aha ahb ahc ahd ahh ahi ahr ahs ai- aia aib aic aid aih aii air ais ar- ara arb arc ard arh ari arr ars as- asa asb asc asd ash asi asr ass baa bab bac bad bah bai bar bas bba bbb bbc bbd bbh bbi bbr bbs bca bcb bcc bcd bch bci bcr bcs bda bdb bdc bdd bdh bdi bdr bds bha bhb bhc bhd bhh bhi bhr bhs bi- bia bib bic bid bih bii bir bis bra brb brd brh bri brr brs bsa bsb bsc bsd bsh bsi bsr bss c-- caa cab cac cad cah cai car cas cba cbb cbc cbd cbh cbi cbr cbs cca ccb ccc ccd cch cci ccr ccs cda cdb cdc cdd cdh cdi cdr cds ch- cha chb chc chd chh chi chr chs ci- cia cib cic cid cih cii cir cis cra crb crc crd crh cri crr crs csa csb csc csd csh csi csr css daa dab dac dad dah dai dar das dba dbb dbc dbd dbh dbi dbr dbs dca dcb dcc dcd dci dcr dcs dda ddb ddc ddd ddh ddi ddr dds dh- dha dhb dhc dhd dhh dhi dhr dhs di- dia dib dic did dih dii dir dis dra drb drc drd dri drr drs dsa dsb dsc dsd dsh dsi dsr dss h-i haa hab hac had hah hai har has hba hbb hbc hbd hbh hbi hbr hbs hca hcb hcc hcd hch hci hcr hcs hda hdb hdc hdd hdh hdi hdr hds hha hhb hhc hhd hhh hhi hhr hhs hia hib hic hid hih hii hir his hr- hra hrb hrc hrd hrh hri hrr hrs hsa hsb hsc hsd hsh hsi hsr hss i-d ia- iaa iab iac iad iah iai iar ias iba ibb ibc ibd ibh ibi ibr ibs ica icb icc icd ich ici icr ics ida idb idc idd idh idi idr ids iha ihb ihc ihd ihh ihi ihr ihs iia iib iic iid iih iii iir iis ir- ira irb irc ird iri irr irs is- isa isb isc isd ish isi isr iss ra- raa rab rac rad rah rai rar ras rba rbb rbc rbd rbh rbi rbr rbs rca rcb rcc rcd rch rci rcr rcs rda rdb rdc rdd rdh rdi rdr rds rh- rha rhb rhc rhd rhh rhi rhr rhs ria rib ric rid rih rii rir ris rra rrb rrc rrd rrh rri rrr rrs rsa rsb rsc rsd rsh rsi rsr rss saa sab sac sad sah sai sar sas sba sbb sbc sbd sbh sbi sbr sbs sca scb scc scd sch sci scr scs sda sdb sdc sdd sdh sdi sdr sds sh- sha shb shc shd shh shi shr shs sia sib sic sid sih sii sir sis sr- sra srb src srd srh sri srr srs ss- ssa ssb ssc ssd ssh ssi ssr sss