-ic a-a a-b a-c a-i aaa aab aac aad aae aag aah aai aak aas ab- aba abb abc abd abe abg abh abi abk abs ac- aca acb acc acd ace acg ach aci ack acs ad- ada adb adc add ade adg adh adi adk ads aea aeb aec aed aee aeg aeh aei aek aes ag- aga agb agc agd age agg agh agi agk ags aha ahb ahc ahd ahe ahg ahh ahi ahk ahs ai- aia aib aic aid aie aig aih aii aik ais aka akb akc akd ake akg akh aki akk aks as- asa asb asc asd ase asg ash asi ask ass baa bab bac bad bae bag bah bai bak bas bba bbb bbc bbd bbe bbg bbh bbi bbk bbs bca bcb bcc bcd bce bcg bch bci bck bcs bda bdb bdc bdd bde bdg bdh bdi bdk bds be- bea beb bec bed bee beg beh bei bek bes bga bgb bgc bgd bge bgg bgh bgi bgk bgs bha bhb bhc bhd bhe bhg bhh bhi bhk bhs bi- bia bib bic bid bie big bih bii bik bis bka bkb bkc bke bkg bkk bks bsa bsb bsc bsd bse bsg bsh bsi bsk bss c-- caa cab cac cad cae cag cah cai cak cas cba cbb cbc cbd cbe cbg cbh cbi cbk cbs cca ccb ccc ccd cce ccg cch cci cck ccs cda cdb cdc cdd cde cdg cdh cdi cdk cds ce- cea ceb cec ced cee ceg ceh cei cek ces cga cgb cgc cgd cge cgg cgh cgi cgs ch- cha chb chc chd che chg chh chi chk chs ci- cia cib cic cid cie cig cih cii cik cis cka ckb ckc ckd ckh cki cks csa csb csc csd cse csg csh csi csk css daa dab dac dad dae dag dah dai dak das dba dbb dbc dbd dbe dbg dbh dbi dbk dbs dca dcb dcc dcd dce dcg dci dck dcs dda ddb ddc ddd dde ddg ddh ddi ddk dds de- dea deb dec ded dee deg deh dei dek des dga dgc dgd dge dgg dgh dgi dgk dgs dh- dha dhb dhc dhd dhe dhh dhi dhk dhs di- dia dib dic did die dig dih dii dik dis dka dkb dkc dke dkg dki dkk dks dsa dsb dsc dsd dse dsg dsh dsi dsk dss eaa eab eac ead eae eag eah eai eak eas eba ebb ebc ebd ebe ebg ebh ebi ebk ebs ec- eca ecb ecc ecd ece ecg ech eci eck ecs ed- eda edb edc edd ede edg edh edi edk eds eea eeb eec eed eee eeg eek ees ega egb egc egd ege egg egh egi egs eha ehb ehc ehd ehe ehg ehh ehi ehs eia eib eic eid eie eig eii eik eis eka ekb ekc ekd eke ekg ekh eki eks es- esa esb esc esd ese esg esh esi esk ess g-d gaa gab gac gad gae gag gah gai gak gas gba gbc gbd gbe gbg gbh gbi gbk gbs gca gcb gcc gcd gce gcg gch gci gck gcs gda gdb gdc gdd gde gdh gdi gdk gds ge- gea geb gec ged gee geg geh gei gek ges gga ggb ggc ggd ggg ggh ggi ggs gha ghb ghc ghd ghe ghg ghh ghi ghs gia gib gic gid gie gig gih gii gik gis gka gkb gkd gkh gks gsa gsb gsc gsd gse gsg gsi gsk gss h-i haa hab hac had hae hag hah hai hak has hba hbb hbc hbd hbe hbg hbh hbi hbk hbs hca hcb hcc hcd hce hcg hch hci hck hcs hda hdb hdc hdd hde hdg hdh hdi hdk hds he- hea heb hec hed hee heg heh hei hek hes hga hgb hgc hge hgg hgh hgi hgk hgs hha hhb hhc hhd hhe hhg hhh hhi hhk hhs hia hib hic hid hie hig hih hii hik his hka hkb hkd hkg hkh hki hkk hks hsa hsb hsc hsd hse hsg hsh hsi hsk hss i-d ia- iaa iab iac iad iae iag iah iai ias iba ibb ibc ibd ibe ibg ibh ibi ibk ibs ica icb icc icd ice icg ich ici ick ics ida idb idc idd ide idg idh idi idk ids ie- iea iec ied iee ieg iei iek ies iga igb igc igd ige igg igh igi igk igs iha ihb ihc ihd ihe ihg ihh ihi ihk ihs iia iib iic iid iie iih iii iis ika ikb ikc ike iki ikk iks is- isa isb isc isd ise isg ish isi isk iss ka- kaa kab kac kad kae kag kah kai kak kas kba kbb kbc kbd kbe kbh kbi kbk kbs kca kcb kcc kcd kce kcg kch kci kck kcs kda kdb kdc kde kdg kdh kdk kds ke- kea keb kec ked kee keg keh kei kek kes kga kgb kgc kgd kgh kgi kgs kha khe khh khi khk khs kia kib kic kid kie kig kih kii kik kis kkb kkc kke kkh kki kkk kks ksa ksb ksc ksd kse ksg ksh ksi ksk kss saa sab sac sad sae sag sah sai sak sas sba sbb sbc sbd sbe sbg sbh sbi sbk sbs sca scb scc scd sce scg sch sci sck scs sda sdb sdc sdd sde sdg sdh sdi sdk sds se- sea seb sec sed see seg seh sei sek ses sga sgb sgc sgd sge sgg sgh sgi sgk sgs sh- sha shb shc shd she shg shh shi shk shs sia sib sic sid sie sig sih sii sik sis sk- ska skb skc skd ske skg skh ski skk sks ss- ssa ssb ssc ssd sse ssg ssh ssi ssk sss