-ic a-a a-b a-c a-i aaa aab aac aad aah aai aan aar aas ab- aba abb abc abd abh abi abn abr abs ac- aca acb acc acd ach aci acn acr acs ad- ada adb adc add adh adi adn adr ads aha ahb ahc ahd ahh ahi ahn ahr ahs ai- aia aib aic aid aih aii ain air ais an- ana anb anc and anh ani ann anr ans ar- ara arb arc ard arh ari arn arr ars as- asa asb asc asd ash asi asn asr ass baa bab bac bad bah bai ban bar bas bba bbb bbc bbd bbh bbi bbn bbr bbs bca bcb bcc bcd bch bci bcn 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 bin bir bis bna bnb bnc bnd bni bnn bnr bns bra brb brd brh bri brn brr brs bsa bsb bsc bsd bsh bsi bsn bsr bss c-- caa cab cac cad cah cai can car cas cba cbb cbc cbd cbh cbi cbn cbr cbs cca ccb ccc ccd cch cci ccn ccr ccs cda cdb cdc cdd cdh cdi cdn cdr cds ch- cha chb chc chd chh chi chn chr chs ci- cia cib cic cid cih cii cin cir cis cn- cna cnb cnc cnd cnh cni cnn cnr cns cra crb crc crd crh cri crn crr crs csa csb csc csd csh csi csn csr css daa dab dac dad dah dai dan dar das dba dbb dbc dbd dbh dbi dbn dbr dbs dca dcb dcc dcd dci dcn dcr dcs dda ddb ddc ddd ddh ddi ddn ddr dds dh- dha dhb dhc dhd dhh dhi dhr dhs di- dia dib dic did dih dii din dir dis dna dnb dnc dnd dnh dni dnn dnr dns dra drb drc drd dri drn drr drs dsa dsb dsc dsd dsh dsi dsn dsr dss h-i haa hab hac had hah hai han har has hba hbb hbc hbd hbh hbi hbn hbr hbs hca hcb hcc hcd hch hci hcn hcr hcs hda hdb hdc hdd hdh hdi hdn hdr hds hha hhb hhc hhd hhh hhi hhn hhr hhs hia hib hic hid hih hii hin hir his hna hnb hnc hnd hnh hnn hns hr- hra hrb hrc hrd hrh hri hrn hrr hrs hsa hsb hsc hsd hsh hsi hsn hsr hss i-d ia- iaa iab iac iad iah iai ian iar ias iba ibb ibc ibd ibh ibi ibn ibr ibs ica icb icc icd ich ici icn icr ics ida idb idc idd idh idi idn idr ids iha ihb ihc ihd ihh ihi ihn ihr ihs iia iib iic iid iih iii iin iir iis in- ina inb inc ind inh ini inn inr ins ir- ira irb irc ird iri irn irr irs is- isa isb isc isd ish isi isn isr iss n-i naa nab nac nad nah nai nan nar nas nba nbb nbc nbd nbi nbn nbr nbs nca ncb ncc ncd nch nci ncn ncr ncs nda ndb ndc ndd ndh ndi ndn ndr nds nha nhb nhc nhd nhh nhi nhn nhr nhs nia nib nic nid nih nii nin nir nis nna nnb nnc nnh nni nnn nns nra nrb nrc nrd nri nrn nrr nrs nsa nsb nsc nsd nsh nsi nsn nsr nss ra- raa rab rac rad rah rai ran rar ras rba rbb rbc rbd rbh rbi rbn rbr rbs rca rcb rcc rcd rch rci rcn rcr rcs rda rdb rdc rdd rdh rdi rdn rdr rds rh- rha rhb rhc rhd rhh rhi rhn rhr rhs ria rib ric rid rih rii rin rir ris rna rnb rnc rnd rnh rni rnn rnr rns rra rrb rrc rrd rrh rri rrn rrr rrs rsa rsb rsc rsd rsh rsi rsn rsr rss saa sab sac sad sah sai san sar sas sba sbb sbc sbd sbh sbi sbn sbr sbs sca scb scc scd sch sci scn scr scs sda sdb sdc sdd sdh sdi sdn sdr sds sh- sha shb shc shd shh shi shn shr shs sia sib sic sid sih sii sin sir sis sna snb snc snd sni snn snr sns sr- sra srb src srd srh sri srn srr srs ss- ssa ssb ssc ssd ssh ssi ssn ssr sss