-al -ol a-a a-b a-c aaa aab aac aad aah aak aal aao aas ab- aba abb abc abd abh abk abl abo abs ac- aca acb acc acd ach ack acl aco acs ad- ada adb adc add adh adk adl ado ads aha ahb ahc ahd ahh ahk ahl aho ahs aka akb akc akd akh akk akl ako aks al- ala alb alc ald alh alk all alo als aoa aob aoc aod aoh aok aol aoo aos as- asa asb asc asd ash ask asl aso ass baa bab bac bad bah bak bal bao bas bba bbb bbc bbd bbh bbk bbl bbo bbs bca bcb bcc bcd bch bck bcl bco bcs bda bdb bdc bdd bdh bdk bdl bdo bds bha bhb bhc bhd bhh bhk bhl bho bhs bka bkb bkc bkk bkl bko bks bla blb blc bld blh blk bll blo bls boa bob boc bod boh bok bol boo bos bsa bsb bsc bsd bsh bsk bsl bso bss c-- caa cab cac cad cah cak cal cao cas cba cbb cbc cbd cbh cbk cbl cbo cbs cca ccb ccc ccd cch cck ccl cco ccs cda cdb cdc cdd cdh cdk cdl cdo cds ch- cha chb chc chd chh chk chl cho chs cka ckb ckc ckd ckh cko cks cl- cla clb clc cld clh clk cll clo cls co- coa cob coc cod coh cok col coo cos csa csb csc csd csh csk csl cso css daa dab dac dad dah dak dal dao das dba dbb dbc dbd dbh dbk dbl dbo dbs dca dcb dcc dcd dck dcl dco dcs dda ddb ddc ddd ddh ddk ddl ddo dds dh- dha dhb dhc dhd dhh dhk dhl dho dhs dka dkb dkc dkk dkl dko dks dl- dla dlb dlc dld dlh dlk dll dlo dls doa dob doc dod doh dok dol doo dos dsa dsb dsc dsd dsh dsk dsl dso dss haa hab hac had hah hak hal hao has hba hbb hbc hbd hbh hbk hbl hbo hbs hca hcb hcc hcd hch hck hcl hco hcs hda hdb hdc hdd hdh hdk hdl hdo hds hha hhb hhc hhd hhh hhk hhl hho hhs hka hkb hkd hkh hkk hkl hko hks hla hlb hlc hld hlh hll hlo hls hoa hob hoc hod hoh hok hol hoo hos hsa hsb hsc hsd hsh hsk hsl hss ka- kaa kab kac kad kah kak kal kao kas kba kbb kbc kbd kbh kbk kbl kbo kbs kca kcb kcc kcd kch kck kcl kcs kda kdb kdc kdh kdk kdl kdo kds kha khh khk kho khs kkb kkc kkh kkk kkl kks kl- kla klb klc kld klh klo kls koa kob koc kod koh kok kol koo kos ksa ksb ksc ksd ksh ksk ksl kso kss la- laa lab lac lad lah lak lal lao las lba lbb lbc lbd lbh lbk lbl lbo lbs lca lcb lcc lcd lch lck lcl lco lcs lda ldb ldc ldd ldh ldk ldl ldo lds lha lhb lhc lhd lhh lhk lho lhs lka lkb lkh lkl lks lla llb llc lld llk lll llo lls loa lob loc lod loh lok lol loo los lsa lsb lsc lsd lsh lsk lsl lso lss oaa oab oac oad oah oak oal oao oas ob- oba obb obc obd obh obk obl obo obs oc- oca ocb occ ocd och ock ocl oco ocs oda odb odc odd odh odl odo ods oha ohc ohd ohh ohl oho ohs oka okb okc okd okk okl oko oks ola olb olc old olk oll olo ols oo- ooa oob ooc ood ooh ook ool ooo oos os- osa osb osc osd osh osk osl oso oss saa sab sac sad sah sak sal sao sas sba sbb sbc sbd sbh sbk sbl sbo sbs sca scb scc scd sch sck scl sco scs sda sdb sdc sdd sdh sdk sdl sdo sds sh- sha shb shc shd shh shk shl sho shs sk- ska skb skc skd skh skk skl sko sks sla slb slc sld slh slk sll slo sls soa sob soc sod soh sok sol soo sos ss- ssa ssb ssc ssd ssh ssk ssl sso sss

a-ak a-do a-ha a-ok aaaa aaab aaac aaad aaah aaal aaas aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aack aacl aaco aacs aada aadc aads aaha aahk aahl aahs aaka aala aalc aald aall aalo aals aaoo aasa aasc aasd aass abaa abab abac abad abak abal abas abb- abba abbb abbo abbs abca abcb abcc abcd abch abcl abcs abda abdo abha abho abhs abla ablo abls aboa abob abod aboh abok abol aboo abos abs- absa absd absl abss acaa acab acac acad acas acba acbl acca accc accd acch acco accs acda acdb acdc acds acha achh achl acho achs ackd acks acla aclc acls acoa acod acoh acol acos acsa acsc acsd acsl acss adaa adab adac adad adah adak adal adao adas adba adbc adcc adcs adda addc addd addl addo adds adha adhd adho adhs adls adob adoc adod adok adoo ados adsa adsl adso adss ahab ahac ahad ahah ahal ahas ahdl ahha ahhs ahla ahoa ahod ahok ahsa ahso ahss akaa akah akal akao akas akca akha akhs akka akko aklo akok akos aksa alaa alac alad alak alal alao alas alb- alba albc albo albs alca alcc alco alcs ald- alda aldl aldo alds alha alhs alk- alka alkb alkd alko all- alla allh alll allo alls aloa aloc alod aloh alok alol aloo alos alsa alsc also aoah aoba aoca aocs aodh aoks aola aosd aoss asaa asab asac asad asah asak asal asao asas asba asbo asc- asca ascb ascc asch ascl asco asda asdl asdo asds asha ashk ashs aska asko asks asla aslo asob asoc asod asok asos assa assc