-er a-a a-b a-c aaa aab aac aad aae aah aao aar aas aax ab- aba abb abc abd abe abh abo abr abs abx ac- aca acb acc acd ace ach aco acr acs acx ad- ada adb adc add ade adh ado adr ads adx aea aeb aec aed aee aeh aeo aer aes aex aha ahb ahc ahd ahe ahh aho ahr ahs ahx aoa aob aoc aod aoe aoh aoo aor aos aox ar- ara arb arc ard are arh aro arr ars arx as- asa asb asc asd ase ash aso asr ass asx ax- axa axe axh axo axr axs axx baa bab bac bad bae bah bao bar bas bax bba bbb bbc bbd bbe bbh bbo bbr bbs bbx bca bcb bcc bcd bce bch bco bcr bcs bcx bda bdb bdc bdd bde bdh bdo bdr bds bdx be- bea beb bec bed bee beh beo ber bes bex bha bhb bhc bhd bhe bhh bho bhr bhs bhx boa bob boc bod boe boh boo bor bos box bra brb brd bre brh bro brr brs brx bsa bsb bsc bsd bse bsh bso bsr bss bsx bxb bxd bxo bxx c-- caa cab cac cad cae cah cao car cas cax cba cbb cbc cbd cbe cbh cbo cbr cbs cbx cca ccb ccc ccd cce cch cco ccr ccs ccx cda cdb cdc cdd cde cdh cdo cdr cds cdx ce- cea ceb cec ced cee ceh ceo cer ces cex ch- cha chb chc chd che chh cho chr chs chx co- coa cob coc cod coe coh coo cor cos cox cra crb crc crd cre crh cro crr crs crx csa csb csc csd cse csh cso csr css csx cxc cxh cxo cxr cxs cxx daa dab dac dad dae dah dao dar das dax dba dbb dbc dbd dbe dbh dbo dbr dbs dbx dca dcb dcc dcd dce dco dcr dcs dcx dda ddb ddc ddd dde ddh ddo ddr dds ddx de- dea deb dec ded dee deh deo der des dex dh- dha dhb dhc dhd dhe dhh dho dhr dhs doa dob doc dod doe doh doo dor dos dox dra drb drc drd dre dro drr drs drx dsa dsb dsc dsd dse dsh dso dsr dss dsx dxc dxd dxo dxr dxs dxx eaa eab eac ead eae eah eao ear eas eax eba ebb ebc ebd ebe ebh ebo ebr ebs ebx ec- eca ecb ecc ecd ece ech eco ecr ecs ecx ed- eda edb edc edd ede edh edo edr eds edx eea eeb eec eed eee eeo eer ees eex eha ehb ehc ehd ehe ehh eho ehr ehs eo- eoa eob eoc eod eoe eoh eoo eor eos era erb erc erd ere erh ero err ers es- esa esb esc esd ese esh eso esr ess esx ex- exa exc exd exe exh exo exr exs exx haa hab hac had hae hah hao har has hax hba hbb hbc hbd hbe hbh hbo hbr hbs hbx hca hcb hcc hcd hce hch hco hcr hcs hda hdb hdc hdd hde hdh hdo hdr hds hdx he- hea heb hec hed hee heh heo her hes hex hha hhb hhc hhd hhe hhh hho hhr hhs hoa hob hoc hod hoe hoh hoo hor hos hox hr- hra hrb hrc hrd hre hrh hro hrr hrs hsa hsb hsc hsd hse hsh hsr hss hsx hxc hxd oaa oab oac oad oae oah oao oar oas oax ob- oba obb obc obd obe obh obo obr obs obx oc- oca ocb occ ocd och oco ocr ocs ocx oda odb odc odd ode odh odo odr ods oea oeb oec oed oee oeh oeo oer oes oex oha ohc ohd ohe ohh oho ohr ohs oo- ooa oob ooc ood ooh ooo oor oos oox or- ora orb orc ord ore orh oro orr ors orx os- osa osb osc osd ose osh oso osr oss osx ox- oxa oxb oxc oxo oxx ra- raa rab rac rad rae rah rao rar ras rax rba rbb rbc rbd rbe rbh rbo rbr rbs rbx rca rcb rcc rcd rce rch rco rcr rcs rcx rda rdb rdc rdd rde rdh rdo rdr rds rdx re- rea reb rec red ree reh reo rer res rex rh- rha rhb rhc rhd rhe rhh rho rhr rhs roa rob roc rod roe roh roo ror ros rox rra rrb rrc rrd rrh rrr rrs rsa rsb rsc rsd rse rsh rso rsr rss rsx rxr rxs saa sab sac sad sae sah sao sar sas sax sba sbb sbc sbd sbe sbh sbo sbr sbs sbx sca scb scc scd sce sch sco scr scs scx sda sdb sdc sdd sde sdh sdo sdr sds se- sea seb sec sed see seh seo ser ses sex sh- sha shb shc shd she shh sho shr shs soa sob soc sod soe soh soo sor sos sox sr- sra srb src srd sre srh sro srr srs srx ss- ssa ssb ssc ssd sse ssh sso ssr sss ssx sxc sxs xaa xac xad xar xas xbc xbe xbr xbx xcb xcd xch xcr xcx xda xdb xdc xde xdh xdr xds xed xee xer xes xex xhd xoa xoc xod xoo xor xos xox xrc xrd xrx xsa xsb xsc xss xxo xxx

-ase -ose a-be a-do a-ha aaaa aaab aaac aaad aaae aaah aaar aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aaco aacr aacs aada aadc aade aads aaea aaec aaes aaha aahs aaoe aaoo aara aarc aard aare aaro aars aasa aasc aasd aase aass abaa abab abac abad abae abar abas abax abb- abba abbb abbe abbo abbr abbs abca abcb abcc abcd abch abcr abcs abda abdo abec abed abee aber abes abha abho abhr abhs aboa abob abod aboh aboo abor abos abox