a-a a-b a-c aaa aab aac aaf aan aao aar aas aaw ab- aba abb abc abf abn abo abr abs abw ac- aca acb acc acf acn aco acr acs acw af- afa afb afc aff afn afo afr afs afw an- ana anb anc anf ann ano anr ans aoa aob aoc aof aon aoo aor aos aow ar- ara arb arc arf arn aro arr ars arw as- asa asb asc asf asn aso asr ass asw aw- awa awb awc awf awn awo awr aws aww baa bab bac baf ban bao bar bas baw bba bbb bbc bbf bbn bbo bbr bbs bbw bca bcb bcc bcf bcn bco bcr bcs bfa bfb bfc bff bfn bfo bfr bfs bna bnb bnc bnf bnn bno bnr bns bnw boa bob boc bof bon boo bor bos bow bra brb brf brn bro brr brs brw bsa bsb bsc bsf bsn bso bsr bss bsw bwa bwb bwc bwf bwo bwr bws c-- caa cab cac caf can cao car cas caw cba cbb cbc cbf cbn cbo cbr cbs cbw cca ccb ccc ccf ccn cco ccr ccs ccw cfa cfb cfc cff cfn cfo cfr cfs cfw cn- cna cnb cnc cnf cnn cno cnr cns cnw co- coa cob coc cof con coo cor cos cow cra crb crc crf crn cro crr crs crw csa csb csc csf csn cso csr css csw cw- cwa cwb cwc cwn cwo cwr cws faa fab fac faf fan fao far fas faw fba fbb fbc fbf fbn fbo fbr fbs fbw fca fcb fcc fcf fcn fco fcr fcs fcw ffa ffc fff ffn ffo ffr ffs ffw fna fnb fnc fnf fnn fnr fns fnw foa fob foc fof fon foo for fos fow fra frb frc frf frn fro frr frs frw fsa fsb fsc fsf fsn fso fsr fss fsw fwa fwb fwc fwf fwn fwo fws naa nab nac naf nan nao nar nas naw nba nbb nbc nbf nbn nbo nbr nbs nbw nca ncb ncc ncf ncn nco ncr ncs ncw nfa nfb nfc nff nfn nfo nfr nfs nna nnb nnc nnf nnn nno nns nnw no- noa nob noc nof non noo nor nos now nra nrb nrc nrf nrn nro nrr nrs nrw nsa nsb nsc nsf nsn nso nsr nss nsw nwa nwb nwc nwf nwn nwo nwr nws oaa oab oac oaf oan oao oar oas oaw ob- oba obb obc obf obn obo obr obs obw oc- oca ocb occ ocf ocn oco ocr ocs ocw of- ofa ofb ofc off ofn ofo ofr ofs ofw on- ona onb onc onf onn ono onr ons oo- ooa oob ooc oof oon ooo oor oos oow or- ora orb orc orf orn oro orr ors os- osa osb osc osf osn oso osr oss osw owa owb owc owf own owo ows oww ra- raa rab rac raf ran rao rar ras raw rba rbb rbc rbf rbn rbo rbr rbs rbw rca rcb rcc rcf rcn rco rcr rcs rcw rfa rfb rfc rff rfn rfo rfr rfs rfw rna rnb rnc rnn rno rnr rns rnw roa rob roc rof ron roo ror ros row rra rrb rrc rrf rrn rrr rrs rsa rsb rsc rsf rsn rso rsr rss rsw rwa rwb rwc rwf rwr rws saa sab sac saf san sao sar sas saw sba sbb sbc sbf sbn sbo sbr sbs sbw sca scb scc scf scn sco scr scs scw sfa sfb sfc sff sfn sfo sfr sfs sfw sna snb snc snf snn sno snr sns snw soa sob soc sof son soo sor sos sow sr- sra srb src srf srn sro srr srs srw ss- ssa ssb ssc ssf ssn sso ssr sss ssw swa swb swc swf swn swo swr sws waa wab wac waf wan wao war was waw wba wbb wbc wbf wbn wbo wbr wbs wbw wca wcb wcc wcf wcn wco wcr wcs wcw wfa wfb wfc wff wfn wfo wfr wfs wfw wn- wna wnc wnf wnn wno wns wnw woa wob woc wof won woo wor wos wow wr- wra wrc wrf wrn wro wrr wrs wrw wsa wsb wsc wsf wsn wso wsr wss wsw wwa wwc wwf wwn wwo www

-ana a-wa aaaa aaab aaac aaaf aaan aaar aaas aaba aabb aabc aabw aaca aacb aacc aacf aacn aaco aacr aacs aafa aafb aafc aaff aana aaon aaoo aaow aara aarc aaro aars aasa aasc aasf aass aaww abaa abab abac abaf aban abar abas abaw abb- abba abbb abbo abbr abbs abca abcb abcc abcf abcn abcr abcs abcw abff aboa abob abof abon aboo abor abos abow abra abrc abro abrs abs- absa absf abss absw abwa abwr acaa acab acac acan acar acas acba acca accc accf acco accs acfc acfs acoa acon acor acos acow acr- acra acrc acro acrr acrs acsa acsc acss acsw acwa acww afaa afan afao afar afbs afca afcb afcc afcs afcw affa affc affo affs affw afoa afoo afor afr- afra afrc afro afrs afsa afsb afsc ana- anaa anab anac anan anao anar anas anba anbb anbo anca ancc anco anfa anfo anna annb anno anns ano- anoa anon anor anos anrc ansa ansf anso anwr aoba aoca aocs aonb aono aora aorb aorn aors aoss arab arac araf aran arar aras araw arba arbs arc- arca arco arcs arfa arfb arfc arff arfs arna arno arns aroa arob aron aroo aror aros arow arr- arra arrc arro arrr arrs ars- arsa arsc arso arwa asaa asab asac asaf asan asao asar asas asba asbo asc- asca ascb ascc asco ascr ascw asfa asnc asno asob asoc asof ason asor asos asow asra asrc asro asrs assa assc assn asso assr asss awac awan awar awas awfc awns awon awoo awow awro awss awwa awws baaa baaf baan baar baas baba babb babo babr