-ic a-a a-b a-c a-i aaa aab aac aad aaf aah aai aar aas ab- aba abb abc abd abf abh abi abr abs ac- aca acb acc acd acf ach aci acr acs ad- ada adb adc add adf adh adi adr ads af- afa afb afc afd aff afh afi afr afs aha ahb ahc ahd ahf ahh ahi ahr ahs ai- aia aib aic aid aif aih aii air ais ar- ara arb arc ard arf arh ari arr ars as- asa asb asc asd asf ash asi asr ass baa bab bac bad baf bah bai bar bas bba bbb bbc bbd bbf bbh bbi bbr bbs bca bcb bcc bcd bcf bch bci bcr bcs bda bdb bdc bdd bdf bdh bdi bdr bds bfa bfb bfc bfd bff bfh bfi bfr bfs bha bhb bhc bhd bhf bhh bhi bhr bhs bi- bia bib bic bid bif bih bii bir bis bra brb brd brf brh bri brr brs bsa bsb bsc bsd bsf bsh bsi bsr bss c-- caa cab cac cad caf cah cai car cas cba cbb cbc cbd cbf cbh cbi cbr cbs cca ccb ccc ccd ccf cch cci ccr ccs cda cdb cdc cdd cdf cdh cdi cdr cds cfa cfb cfc cfd cff cfh cfi cfr cfs ch- cha chb chc chd chf chh chi chr chs ci- cia cib cic cid cif cih cii cir cis cra crb crc crd crf crh cri crr crs csa csb csc csd csf csh csi csr css daa dab dac dad daf dah dai dar das dba dbb dbc dbd dbf dbh dbi dbr dbs dca dcb dcc dcd dcf dci dcr dcs dda ddb ddc ddd ddf ddh ddi ddr dds dfa dfb dfc dfd dff dfh dfi dfr dfs dh- dha dhb dhc dhd dhf dhh dhi dhr dhs di- dia dib dic did dif dih dii dir dis dra drb drc drd dri drr drs dsa dsb dsc dsd dsf dsh dsi dsr dss faa fab fac fad faf fah fai far fas fba fbb fbc fbd fbf fbh fbi fbr fbs fca fcb fcc fcd fcf fci fcr fcs fda fdb fdc fdd fdf fdh fdi fdr fds ffa ffc ffd fff ffh ffi ffr ffs fha fhb fhc fhf fhh fhi fhr fhs fia fib fic fid fif fih fii fir fis fra frb frc frd frf frh fri frr frs fsa fsb fsc fsd fsf fsh fsi fsr fss h-i haa hab hac had haf hah hai har has hba hbb hbc hbd hbf hbh hbi hbr hbs hca hcb hcc hcd hcf hch hci hcr hcs hda hdb hdc hdd hdf hdh hdi hdr hds hfa hfb hfc hfd hff hfh hfi hfr hfs hha hhb hhc hhd hhf hhh hhi hhr hhs hia hib hic hid hif hih hii hir his hr- hra hrb hrc hrd hrf hrh hri hrr hrs hsa hsb hsc hsd hsf hsh hsi hsr hss i-d i-f ia- iaa iab iac iad iaf iah iai iar ias iba ibb ibc ibd ibf ibh ibi ibr ibs ica icb icc icd icf ich ici icr ics ida idb idc idd idf idh idi idr ids ifa ifb ifc ifd iff ifi ifr ifs iha ihb ihc ihd ihf ihh ihi ihr ihs iia iib iic iid iif iih iii iir iis ir- ira irb irc ird irf iri irr irs is- isa isb isc isd isf ish isi isr iss ra- raa rab rac rad raf rah rai rar ras rba rbb rbc rbd rbf rbh rbi rbr rbs rca rcb rcc rcd rcf rch rci rcr rcs rda rdb rdc rdd rdf rdh rdi rdr rds rfa rfb rfc rfd rff rfh rfi rfr rfs rh- rha rhb rhc rhd rhf rhh rhi rhr rhs ria rib ric rid rif rih rii rir ris rra rrb rrc rrd rrf rrh rri rrr rrs rsa rsb rsc rsd rsf rsh rsi rsr rss saa sab sac sad saf sah sai sar sas sba sbb sbc sbd sbf sbh sbi sbr sbs sca scb scc scd scf sch sci scr scs sda sdb sdc sdd sdf sdh sdi sdr sds sfa sfb sfc sfd sff sfh sfi sfr sfs sh- sha shb shc shd shf shh shi shr shs sia sib sic sid sif sih sii sir sis sr- sra srb src srd srf srh sri srr srs ss- ssa ssb ssc ssd ssf ssh ssi ssr sss

a-ha a-ii aaaa aaab aaac aaad aaaf aaah aaai aaar aaas aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aacf aach aaci aacr aacs aada aadc aadi aads aafa aafb aafc aafd aaff aafi aaha aahs aaib aaic aaii aais aara aarc aard aari aars aasa aasc aasd aasf aasi aass abaa abab abac abad abaf abai abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abcd abcf abch abci abcr abcs abda abdi abff abha abhi abhr abhs abia abib abic abid abir abis abra abrc abri abrs abs- absa absd absf absi abss acaa acab acac acad acai acar acas acba acca accc accd accf acch acci accs acda acdb acdc acdf acdi acds acfc acfd acfi acfs acha achh achi achr achs aci- acia acic acid acif acir acis acr- acra acrc acri acrr acrs acsa acsc acsd acsi acss adaa adab adac adad adah adai adar adas adba adbc adbi adcc adci adcs adda addc addd addi addr adds adfa adfc adfs adha adhd adhi adhs adia adib adic adif adir adis adra adrs adsa adsi adsr adss afaa afad afar afbs afca afcb afcc afch afci afcs afdb afdc affa affc affi affs afhs afia afib afid afif afir afis afr- afra afrc afri afrs afsa afsb afsc ahab ahac ahad ahah ahai ahar ahas ahdi ahfa ahha ahhs ahir ahis ahra ahrc ahrr ahrs ahsa ahss aiai aias aiba aica aicc aicd aicf aich aicr aics aida aidb aidc aidi