-al -ol a-a a-b a-c aaa aab aac aah aal aao aar aas ab- aba abb abc abh abl abo abr abs ac- aca acb acc ach acl aco acr acs aha ahb ahc ahh ahl aho ahr ahs al- ala alb alc alh all alo alr als aoa aob aoc aoh aol aoo aor aos ar- ara arb arc arh arl aro arr ars as- asa asb asc ash asl aso asr ass baa bab bac bah bal bao bar bas bba bbb bbc bbh bbl bbo bbr bbs bca bcb bcc bch bcl bco bcr bcs bha bhb bhc bhh bhl bho bhr bhs bla blb blc blh bll blo blr bls boa bob boc boh bol boo bor bos bra brb brh brl bro brr brs bsa bsb bsc bsh bsl bso bsr bss c-- caa cab cac cah cal cao car cas cba cbb cbc cbh cbl cbo cbr cbs cca ccb ccc cch ccl cco ccr ccs ch- cha chb chc chh chl cho chr chs cl- cla clb clc clh cll clo clr cls co- coa cob coc coh col coo cor cos cra crb crc crh crl cro crr crs csa csb csc csh csl cso csr css haa hab hac hah hal hao har has hba hbb hbc hbh hbl hbo hbr hbs hca hcb hcc hch hcl hco hcr hcs hha hhb hhc hhh hhl hho hhr hhs hla hlb hlc hlh hll hlo hlr hls hoa hob hoc hoh hol hoo hor hos hr- hra hrb hrc hrh hrl hro hrr hrs hsa hsb hsc hsh hsl hsr hss la- laa lab lac lah lal lao lar las lba lbb lbc lbh lbl lbo lbr lbs lca lcb lcc lch lcl lco lcr lcs lha lhb lhc lhh lho lhr lhs lla llb llc lll llo llr lls loa lob loc loh lol loo lor los lra lrb lrc lrh lro lrr lrs lsa lsb lsc lsh lsl lso lsr lss oaa oab oac oah oal oao oar oas ob- oba obb obc obh obl obo obr obs oc- oca ocb occ och ocl oco ocr ocs oha ohc ohh ohl oho ohr ohs ola olb olc oll olo ols oo- ooa oob ooc ooh ool ooo oor oos or- ora orb orc orh orl oro orr ors os- osa osb osc osh osl oso osr oss ra- raa rab rac rah ral rao rar ras rba rbb rbc rbh rbl rbo rbr rbs rca rcb rcc rch rcl rco rcr rcs rh- rha rhb rhc rhh rhl rho rhr rhs rla rlc rlh rll rlo rlr rls roa rob roc roh rol roo ror ros rra rrb rrc rrh rrl rrr rrs rsa rsb rsc rsh rsl rso rsr rss saa sab sac sah sal sao sar sas sba sbb sbc sbh sbl sbo sbr sbs sca scb scc sch scl sco scr scs sh- sha shb shc shh shl sho shr shs sla slb slc slh sll slo slr sls soa sob soc soh sol soo sor sos sr- sra srb src srh srl sro srr srs ss- ssa ssb ssc ssh ssl sso ssr sss

a-ha aaaa aaab aaac aaah aaal aaar aaas aaba aabb aabc aabh aabl aaca aacb aacc aach aacl aaco aacr aacs aaha aahl aahs aala aalc aall aalo aals aaoo aara aarc aaro aars aasa aasc aass abaa abab abac abal abar abas abb- abba abbb abbo abbr abbs abca abcb abcc abch abcl abcr abcs abha abho abhr abhs abla ablo abls aboa abob aboh abol aboo abor abos abra abrc abro abrs abs- absa absl abss acaa acab acac acar acas acba acbl acca accc acch acco accs acha achh achl acho achr achs acla aclc aclr acls acoa acoh acol acor acos acr- acra acrc acro acrr acrs acsa acsc acsl acss ahab ahac ahah ahal ahar ahas ahha ahhs ahla ahoa ahor ahra ahrc ahrr ahrs ahsa ahso ahss alaa alac alal alao alar alas alb- alba albc albo albs alca alcc alco alcs alha alhs all- alla allh alll allo allr alls aloa aloc aloh alol aloo alor alos alro alsa alsc also aoah aoba aoca aocs aola aora aorb aors aoss arab arac arah aral arar aras arba arbh arbs arc- arca arch arco arcs arh- arhs arla arlo aroa arob aroo aror aros arr- arra arrc arrh arro arrr arrs ars- arsa arsc arso asaa asab asac asah asal asao asar asas asba asbo asc- asca ascb ascc asch ascl asco ascr asha ashs asla aslo aslr asob asoc asor asos asra asrc asro asrs assa assc assh assl asso assr asss baaa baah baal baar baas baba babb babo babr babs bac- baca bacc bach baco bacs baha bahl baho bahr bahs bala balc ball balo bals baoh baol baos bar- bara barb barc barh baro barr bars basa basc bash baso bass bbas bbbb bbbs bbch bbhs bblb bbls bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccl bccs bchs bcor bcos bcra bcrs bcsa bcsc bcsl bcss bhao bhar bhca bhcc bhhs bhor bhra blaa blab blac blah blas blhs blls blob bloc bloo blrc blss boab boac boal boar boas boba bobb bobo bobs boca boch boco bocs boha bohl boho bohr bohs bola boll bolo bols boob booc booh bool boor boos bor- bora borh boro borr bors bosa bosc bosh boso boss brab brac brah brao bras brca brcb brhs brls broa brob broc broh brol broo bror bros brrr brrs brsb brsr bsaa bsac bsas bscs bshs bslc bsos bsra bssc c-bo caaa caab caac caah caal caas caba cabo cabs cac- caca cacc cach caco cacr caha cahl cahs cala calc call calo cals caol caor caos cara carb carc carl caro carr cars casa casb casc cash casl caso casr cass cbac cbal cbar cbbc cbbs cbca cbcc cbcl cbcr cbcs cbha cbhl cbhs cblb cblc cbol cbrh cbrl cbsa cbsc ccaa ccab ccac ccar ccas