a-a a-b a-c aaa aab aac aad aah aam aao aar aas ab- aba abb abc abd abh abm abo abr abs ac- aca acb acc acd ach acm aco acr acs ad- ada adb adc add adh adm ado adr ads aha ahb ahc ahd ahh ahm aho ahr ahs ama amb amc amd amh amm amo amr ams aoa aob aoc aod aoh aom aoo aor aos ar- ara arb arc ard arh arm aro arr ars as- asa asb asc asd ash asm aso asr ass baa bab bac bad bah bam bao bar bas bba bbb bbc bbd bbh bbm bbo bbr bbs bca bcb bcc bcd bch bcm bco bcr bcs bda bdb bdc bdd bdh bdm bdo bdr bds bha bhb bhc bhd bhh bhm bho bhr bhs bma bmb bmc bmd bmh bmm bmo bmr bms boa bob boc bod boh bom boo bor bos bra brb brd brh brm bro brr brs bsa bsb bsc bsd bsh bsm bso bsr bss c-- caa cab cac cad cah cam cao car cas cba cbb cbc cbd cbh cbm cbo cbr cbs cca ccb ccc ccd cch ccm cco ccr ccs cda cdb cdc cdd cdh cdm cdo cdr cds ch- cha chb chc chd chh chm cho chr chs cma cmb cmc cmd cmh cmm cmo cmr cms co- coa cob coc cod coh com coo cor cos cra crb crc crd crh crm cro crr crs csa csb csc csd csh csm cso csr css daa dab dac dad dah dam dao dar das dba dbb dbc dbd dbh dbm dbo dbr dbs dca dcb dcc dcd dcm dco dcr dcs dda ddb ddc ddd ddh ddm ddo ddr dds dh- dha dhb dhc dhd dhh dhm dho dhr dhs dma dmb dmc dmd dmh dmm dmo dmr dms doa dob doc dod doh dom doo dor dos dra drb drc drd drm dro drr drs dsa dsb dsc dsd dsh dsm dso dsr dss haa hab hac had hah ham hao har has hba hbb hbc hbd hbh hbm hbo hbr hbs hca hcb hcc hcd hch hcm hco hcr hcs hda hdb hdc hdd hdh hdm hdo hdr hds hha hhb hhc hhd hhh hhm hho hhr hhs hma hmb hmc hmd hmh hmm hmo hmr hms hoa hob hoc hod hoh hom hoo hor hos hr- hra hrb hrc hrd hrh hrm hro hrr hrs hsa hsb hsc hsd hsh hsm hsr hss m-o m-r maa mab mac mad mah mam mao mar mas mba mbb mbc mbd mbh mbm mbo mbr mbs mc- mca mcb mcc mcd mch mcm mco mcr mcs mda mdb mdc mdd mdh mdm mdo mdr mds mha mhc mhd mhh mhm mho mhr mhs mma mmb mmc mmd mmh mmm mmo mmr mms moa mob moc mod moh mom moo mor mos mra mrb mrc mrd mrh mrm mro mrr mrs msa msb msc msd msh msm mso msr mss oaa oab oac oad oah oam oao oar oas ob- oba obb obc obd obh obm obo obr obs oc- oca ocb occ ocd och ocm oco ocr ocs oda odb odc odd odh odm odo odr ods oha ohc ohd ohh ohm oho ohr ohs om- oma omb omc omd omh omm omo omr oms oo- ooa oob ooc ood ooh oom ooo oor oos or- ora orb orc ord orh orm oro orr ors os- osa osb osc osd osh osm oso osr oss ra- raa rab rac rad rah ram rao rar ras rba rbb rbc rbd rbh rbm rbo rbr rbs rca rcb rcc rcd rch rcm rco rcr rcs rda rdb rdc rdd rdh rdm rdo rdr rds rh- rha rhb rhc rhd rhh rhm rho rhr rhs rma rmb rmc rmd rmh rmm rmo rmr rms roa rob roc rod roh rom roo ror ros rra rrb rrc rrd rrh rrm rrr rrs rsa rsb rsc rsd rsh rsm rso rsr rss saa sab sac sad sah sam sao sar sas sba sbb sbc sbd sbh sbm sbo sbr sbs sca scb scc scd sch scm sco scr scs sda sdb sdc sdd sdh sdm sdo sdr sds sh- sha shb shc shd shh shm sho shr shs sma smb smc smd smh smm smo smr sms soa sob soc sod soh som soo sor sos sr- sra srb src srd srh srm sro srr srs ss- ssa ssb ssc ssd ssh ssm sso ssr sss

a-do a-ha aaaa aaab aaac aaad aaah aaam aaar aaas aaba aabb aabc aabd aabh aabm aaca aacb aacc aacd aach aacm aaco aacr aacs aada aadc aads aaha aahs aama aamb aamc aamd aamo aamr aams aaoo aara aarc aard aarm aaro aars aasa aasc aasd aasm aass abaa abab abac abad abam abar abas abb- abba abbb abbo abbr abbs abca abcb abcc abcd abch abcr abcs abda abdo abha abhm abho abhr abhs abma abmb abmc abms aboa abob abod aboh aboo abor abos abra abrc abro abrs abs- absa absd abss acaa acab acac acad acar acas acba acca accc accd acch accm acco accs acda acdb acdc acdm acds acha achh acho achr achs acma acmc acmh acms acoa acod acoh acom acor acos acr- acra acrc acrm acro acrr acrs acsa acsc acsd acsm acss adaa adab adac adad adah adam adao adar adas adba adbc adcc adcs adda addc addd addo addr adds adha adhd adho adhs adma admb admr adms adob adoc adod adoo ador ados adra adro adrs adsa adsm adso adsr adss ahab ahac ahad ahah aham ahar ahas ahha ahhs ahmc ahms ahoa ahod ahom ahor ahra ahrc ahrr ahrs ahsa ahso ahss amaa amac amad amah amam amar amas amb- amba ambo ambr ambs amca amcc amco amcs amda amdh amdo amds amhs amm- amma ammo amob amoc amod amoo amor amos amra amrc amro amsa amsc amsd amso amss aoah aoba aoca aocs aodh aoma aora aorb aors