a-a a-b a-c a-t aaa aab aac aad aae aak aan aao aas aat aaw ab- aba abb abc abd abe abk abn abo abs abt abw ac- aca acb acc acd ace ack acn aco acs act acw ad- ada adb adc add ade adk adn ado ads adt adw aea aeb aec aed aee aek aen aeo aes aet aew aka akb akc akd ake akk akn ako aks akw an- ana anb anc and ane ank ann ano ans ant aoa aob aoc aod aoe aok aon aoo aos aot aow as- asa asb asc asd ase ask asn aso ass ast asw at- ata atb atc atd ate atn ato ats att atw aw- awa awb awc awd awe awk awn awo aws awt aww baa bab bac bad bae bak ban bao bas bat baw bba bbb bbc bbd bbe bbk bbn bbo bbs bbt bbw bca bcb bcc bcd bce bck bcn bco bcs bct bda bdb bdc bdd bde bdk bdo bds bdt bdw be- bea beb bec bed bee bek ben beo bes bet bew bka bkb bkc bke bkk bkn bko bks bkt bkw bna bnb bnc bnd bne bnk bnn bno bns bnt bnw boa bob boc bod boe bok bon boo bos bot bow bsa bsb bsc bsd bse bsk bsn bso bss bst bsw bta btb btc btd bte btk btn bto bts btt btw bwa bwb bwc bwd bwk bwo bws c-- caa cab cac cad cae cak can cao cas cat caw cba cbb cbc cbd cbe cbk cbn cbo cbs cbt cbw cca ccb ccc ccd cce cck ccn cco ccs cct ccw cda cdb cdc cdd cde cdk cdn cdo cds cdt cdw ce- cea ceb cec ced cee cek cen ceo ces cet cew cka ckb ckc ckd cko cks ckt ckw cn- cna cnb cnc cnd cne cnn cno cns cnt cnw co- coa cob coc cod coe cok con coo cos cot cow csa csb csc csd cse csk csn cso css cst csw cta ctb ctc ctd cte ctk ctn cto cts ctt ctw cw- cwa cwb cwc cwd cwe cwk cwn cwo cws cwt daa dab dac dad dae dak dan dao das dat daw dba dbb dbc dbd dbe dbk dbn dbo dbs dbt dca dcb dcc dcd dce dck dcn dco dcs dct dcw dda ddb ddc ddd dde ddk ddn ddo dds ddt ddw de- dea deb dec ded dee dek den deo des det dew dka dkb dkc dke dkk dko dks dkt dkw dna dnb dnc dnd dne dnk dnn dno dns dnt dnw doa dob doc dod doe dok don doo dos dot dow dsa dsb dsc dsd dse dsk dsn dso dss dst dsw dta dtb dtc dtd dte dtk dtn dto dts dtt dtw dwa dwb dwc dwe dwn dwo dws dwt dww eaa eab eac ead eae eak ean eao eas eat eaw eba ebb ebc ebd ebe ebk ebn ebo ebs ebt ebw ec- eca ecb ecc ecd ece eck ecn eco ecs ect ecw ed- eda edb edc edd ede edk edn edo eds edt edw eea eeb eec eed eee eek een eeo ees eet eew eka ekb ekc ekd eke eko eks ekt en- ena enb enc end ene enk enn eno ens ent enw eo- eoa eob eoc eod eoe eok eon eoo eos eot eow es- esa esb esc esd ese esk esn eso ess est esw eta etb etc etd ete etk etn eto ets ett etw ewa ewb ewc ewd ewe ewk ewo ews ewt eww k-t ka- kaa kab kac kad kae kak kan kao kas kat kaw kba kbb kbc kbd kbe kbk kbn kbo kbs kbw kca kcb kcc kcd kce kck kcn kcs kct kda kdb kdc kde kdk kdo kds kdt ke- kea keb kec ked kee kek ken keo kes ket kew kkb kkc kke kkk kkn kks kkt kn- kna knc knd kne knk knn kno knt koa kob koc kod koe kok kon koo kos kot kow ksa ksb ksc ksd kse ksk ksn kso kss kst ksw kta ktb ktc kte ktk ktn kto kts ktt ktw kw- kwa kwc kwd kwk kwo kws kwt kww naa nab nac nad nae nak nan nao nas nat naw nba nbb nbc nbd nbe nbk nbn nbo nbs nbt nbw nca ncb ncc ncd nce nck ncn nco ncs nct ncw nda ndb ndc ndd nde ndk ndn ndo nds ndt ne- nea neb nec ned nee nek nen neo nes net new nka nkc nke nkk nkn nko nks nkt nna nnb nnc nne nnk nnn nno nns nnt nnw no- noa nob noc nod noe nok non noo nos not now nsa nsb nsc nsd nse nsk nsn nso nss nst nsw nta ntb ntc ntd nte ntk ntn nto nts ntt nwa nwb nwc nwd nwe nwn nwo nws nwt oaa oab oac oad oae oak oan oao oas oat oaw ob- oba obb obc obd obe obk obn obo obs obt obw oc- oca ocb occ ocd ock ocn oco ocs oct ocw oda odb odc odd ode odn odo ods odt oea oeb oec oed oee oen oeo oes oet oka okb okc okd oke okk oko oks okw on- ona onb onc ond one onk onn ono ons ont oo- ooa oob ooc ood ook oon ooo oos oot oow os- osa osb osc osd ose osk osn oso oss ost osw ot- ota otb otc otd ote otk otn oto ots ott otw owa owb owc owd owe owk own owo ows owt oww saa sab sac sad sae sak san sao sas sat saw sba sbb sbc sbd sbe sbk sbn sbo sbs sbt sbw sca scb scc scd sce sck scn sco scs sct scw sda sdb sdc sdd sde sdk sdn sdo sds sdt sdw se- sea seb sec sed see sek sen seo ses