-ic a-a a-b a-c a-i aaa aab aac aad aah aai aak aan aas ab- aba abb abc abd abh abi abk abn abs ac- aca acb acc acd ach aci ack acn acs ad- ada adb adc add adh adi adk adn ads aha ahb ahc ahd ahh ahi ahk ahn ahs ai- aia aib aic aid aih aii aik ain ais aka akb akc akd akh aki akk akn aks an- ana anb anc and anh ani ank ann ans as- asa asb asc asd ash asi ask asn ass baa bab bac bad bah bai bak ban bas bba bbb bbc bbd bbh bbi bbk bbn bbs bca bcb bcc bcd bch bci bck bcn bcs bda bdb bdc bdd bdh bdi bdk bds bha bhb bhc bhd bhh bhi bhk bhs bi- bia bib bic bid bih bii bik bin bis bka bkb bkc bkk bkn bks bna bnb bnc bnd bni bnk bnn bns bsa bsb bsc bsd bsh bsi bsk bsn bss c-- caa cab cac cad cah cai cak can cas cba cbb cbc cbd cbh cbi cbk cbn cbs cca ccb ccc ccd cch cci cck ccn ccs cda cdb cdc cdd cdh cdi cdk cdn cds ch- cha chb chc chd chh chi chk chn chs ci- cia cib cic cid cih cii cik cin cis cka ckb ckc ckd ckh cki cks cn- cna cnb cnc cnd cnh cni cnn cns csa csb csc csd csh csi csk csn css daa dab dac dad dah dai dak dan das dba dbb dbc dbd dbh dbi dbk dbn dbs dca dcb dcc dcd dci dck dcn dcs dda ddb ddc ddd ddh ddi ddk ddn dds dh- dha dhb dhc dhd dhh dhi dhk dhs di- dia dib dic did dih dii dik din dis dka dkb dkc dki dkk dks dna dnb dnc dnd dnh dni dnk dnn dns dsa dsb dsc dsd dsh dsi dsk dsn dss h-i haa hab hac had hah hai hak han has hba hbb hbc hbd hbh hbi hbk hbn hbs hca hcb hcc hcd hch hci hck hcn hcs hda hdb hdc hdd hdh hdi hdk hdn hds hha hhb hhc hhd hhh hhi hhk hhn hhs hia hib hic hid hih hii hik hin his hka hkb hkd hkh hki hkk hkn hks hna hnb hnc hnd hnh hnk hnn hns hsa hsb hsc hsd hsh hsi hsk hsn hss i-d ia- iaa iab iac iad iah iai ian ias iba ibb ibc ibd ibh ibi ibk ibn ibs ica icb icc icd ich ici ick icn ics ida idb idc idd idh idi idk idn ids iha ihb ihc ihd ihh ihi ihk ihn ihs iia iib iic iid iih iii iin iis ika ikb ikc iki ikk iks in- ina inb inc ind inh ini ink inn ins is- isa isb isc isd ish isi isk isn iss ka- kaa kab kac kad kah kai kak kan kas kba kbb kbc kbd kbh kbi kbk kbn kbs kca kcb kcc kcd kch kci kck kcn kcs kda kdb kdc kdh kdk kds kha khh khi khk khn khs kia kib kic kid kih kii kik kin kis kkb kkc kkh kki kkk kkn kks kn- kna knc knd kni knk knn ksa ksb ksc ksd ksh ksi ksk ksn kss n-i naa nab nac nad nah nai nak nan nas nba nbb nbc nbd nbi nbk nbn nbs nca ncb ncc ncd nch nci nck ncn ncs nda ndb ndc ndd ndh ndi ndk ndn nds nha nhb nhc nhd nhh nhi nhk nhn nhs nia nib nic nid nih nii nik nin nis nka nkc nki nkk nkn nks nna nnb nnc nnh nni nnk nnn nns nsa nsb nsc nsd nsh nsi nsk nsn nss saa sab sac sad sah sai sak san sas sba sbb sbc sbd sbh sbi sbk sbn sbs sca scb scc scd sch sci sck scn scs sda sdb sdc sdd sdh sdi sdk sdn sds sh- sha shb shc shd shh shi shk shn shs sia sib sic sid sih sii sik sin sis sk- ska skb skc skd skh ski skk sks sna snb snc snd sni snk snn sns ss- ssa ssb ssc ssd ssh ssi ssk ssn sss