-al -er -ol a-a a-b a-c a-t aaa aab aac aae aaf aak aal aao aap aar aas aat ab- aba abb abc abe abf abk abl abo abp abr abs abt ac- aca acb acc ace acf ack acl aco acp acr acs act aea aeb aec aee aef aek ael aeo aep aer aes aet af- afa afb afc afe aff afk afl afo afp afr afs aft aka akb akc ake akk akl ako akp akr aks al- ala alb alc ale alf alk all alo alp alr als alt aoa aob aoc aoe aof aok aol aoo aop aor aos aot ap- apa apb apc ape apf apk apl apo app apr aps apt ar- ara arb arc are arf ark arl aro arp arr ars art as- asa asb asc ase asf ask asl aso asp asr ass ast at- ata atb atc ate atf atl ato atp atr ats att b-p baa bab bac bae baf bak bal bao bap bar bas bat bba bbb bbc bbe bbf bbk bbl bbo bbp bbr bbs bbt bca bcb bcc bce bcf bck bcl bco bcp bcr bcs bct be- bea beb bec bee bef bek bel beo bep ber bes bet bfa bfb bfc bfe bff bfl bfo bfp bfr bfs bft bka bkb bkc bke bkf bkk bkl bko bkp bkr bks bkt bla blb blc ble blf blk bll blo blp blr bls blt boa bob boc boe bof bok bol boo bop bor bos bot bpa bpb bpc bpe bpf bpl bpo bpp bpr bps bpt bra brb bre brf brk brl bro brp brr brs brt bsa bsb bsc bse bsf bsk bsl bso bsp bsr bss bst bta btb btc bte btf btk btl bto btp btr bts btt c-- caa cab cac cae caf cak cal cao cap car cas cat cba cbb cbc cbe cbf cbk cbl cbo cbp cbr cbs cbt cca ccb ccc cce ccf cck ccl cco ccp ccr ccs cct ce- cea ceb cec cee cef cek cel ceo cep cer ces cet cfa cfb cfc cfe cff cfk cfl cfo cfp cfr cfs cft cka ckb ckc cko cks ckt cl- cla clb clc cle clf clk cll clo clp clr cls clt co- coa cob coc coe cof cok col coo cop cor cos cot cpa cpb cpc cpe cpf cpk cpl cpo cpp cpr cps cpt cra crb crc cre crf crk crl cro crp crr crs crt csa csb csc cse csf csk csl cso csp csr css cst cta ctb ctc cte ctf ctk ctl cto ctp ctr cts ctt eaa eab eac eae eaf eak eal eao eap ear eas eat eba ebb ebc ebe ebf ebk ebl ebo ebp ebr ebs ebt ec- eca ecb ecc ece ecf eck ecl eco ecr ecs ect eea eeb eec eee eef eek eel eeo eep eer ees eet ef- efa efb efc efe eff efl efo efp efr efs eft eka ekb ekc eke ekf ekl eko ekp ekr eks ekt ela elb elc ele elf elk ell elo elp elr els elt eo- eoa eob eoc eoe eof eok eol eoo eop eor eos eot ep- epa epb epc epe epf epl epo epp epr eps ept era erb erc ere erf erk erl ero erp err ers ert es- esa esb esc ese esf esk esl eso esp esr ess est eta etb etc ete etf etk etl eto etp etr ets ett faa fab fac fae faf fak fal fao fap far fas fat fba fbb fbc fbe fbf fbk fbl fbo fbp fbr fbs fbt fca fcb fcc fce fcf fck fcl fco fcp fcr fcs fct fea feb fec fee fef fek fel feo fep fer fes fet ffa ffc ffe fff ffk ffl ffo ffp ffr ffs fft fka fkb fkc fkf fkk fkl fkp fkt fla flb flc fle flf fll flo flp flr fls flt foa fob foc foe fof fok fol foo fop for fos fot fpa fpb fpc fpe fpk fpl fpo fpp fpr fps fpt fra frb frc fre frf frk frl fro frp frr frs frt fsa fsb fsc fse fsf fsk fsl fso fsp fsr fss fst fta ftb ftc fte ftf ftk ftl fto ftp ftr fts ftt k-t ka- kaa kab kac kae kaf kak kal kao kap kar kas kat kba kbb kbc kbe kbf kbk kbl kbo kbp kbr kbs kca kcb kcc kce kck kcl kcp kcr kcs kct ke- kea keb kec kee kef kek kel keo kep ker kes ket kfa kfc kff kfo kfs kkb kkc kke kkk kkl kkp kkr kks kkt kl- kla klb klc klf klo klr kls klt koa kob koc koe kof kok kol koo kop kor kos kot kpa kpc kpe kpf kpk kpl kpo kpp kpr kps kpt kra krc krf krk krl kro krp krr krs krt ksa ksb ksc kse ksf ksk ksl kso ksp ksr kss kst kta ktb ktc kte ktf ktk ktl kto ktp ktr kts ktt l-p la- laa lab lac lae laf lak lal lao lap lar las lat lba lbb lbc lbe lbf lbk lbl lbo lbp lbr lbs lbt lca lcb lcc lce lcf lck lcl lco lcp lcr lcs lct lea leb lec lee lef lek lel leo lep ler les let lfa lfb lfc lfe lff lfk lfl lfo lfp lfr lfs lft lka lkb lkl lkp lkr lks lkt lla llb llc lle llf llk lll llo llp llr lls llt loa lob loc loe lof lok lol loo lop lor los lot lpa lpb lpc lpe lpf lpk lpl lpo lpp lpr lps lpt lra lrb lrc lrf lrk lro lrp lrr lrs lrt lsa lsb lsc lse lsf lsk lsl lso lsp lsr lss lst lta ltb ltc lte ltf ltk ltl lto ltp ltr lts ltt oaa oab oac oae oaf oak oal oao oap oar