-al -ol a-a a-b a-c a-t aaa aab aac aae aag aak aal aao aap aas aat ab- aba abb abc abe abg abk abl abo abp abs abt ac- aca acb acc ace acg ack acl aco acp acs act aea aeb aec aee aeg aek ael aeo aep aes aet ag- aga agb agc age agg agk agl ago agp ags agt aka akb akc ake akg akk akl ako akp aks al- ala alb alc ale alg alk all alo alp als alt aoa aob aoc aoe aog aok aol aoo aop aos aot ap- apa apb apc ape apg apk apl apo app aps apt as- asa asb asc ase asg ask asl aso asp ass ast at- ata atb atc ate atg atl ato atp ats att b-p baa bab bac bae bag bak bal bao bap bas bat bba bbb bbc bbe bbg bbk bbl bbo bbp bbs bbt bca bcb bcc bce bcg bck bcl bco bcp bcs bct be- bea beb bec bee beg bek bel beo bep bes bet bga bgb bgc bge bgg bgk bgl bgo bgp bgs bgt bka bkb bkc bke bkg bkk bkl bko bkp bks bkt bla blb blc ble blg blk bll blo blp bls blt boa bob boc boe bog bok bol boo bop bos bot bpa bpb bpc bpe bpg bpl bpo bpp bps bpt bsa bsb bsc bse bsg bsk bsl bso bsp bss bst bta btb btc bte btg btk btl bto btp bts btt c-- caa cab cac cae cag cak cal cao cap cas cat cba cbb cbc cbe cbg cbk cbl cbo cbp cbs cbt cca ccb ccc cce ccg cck ccl cco ccp ccs cct ce- cea ceb cec cee ceg cek cel ceo cep ces cet cga cgb cgc cge cgg cgl cgo cgp cgs cgt cka ckb ckc cko cks ckt cl- cla clb clc cle clg clk cll clo clp cls clt co- coa cob coc coe cog cok col coo cop cos cot cpa cpb cpc cpe cpg cpk cpl cpo cpp cps cpt csa csb csc cse csg csk csl cso csp css cst cta ctb ctc cte ctg ctk ctl cto ctp cts ctt eaa eab eac eae eag eak eal eao eap eas eat eba ebb ebc ebe ebg ebk ebl ebo ebp ebs ebt ec- eca ecb ecc ece ecg eck ecl eco ecs ect eea eeb eec eee eeg eek eel eeo eep ees eet ega egb egc ege egg egl ego egp egs egt eka ekb ekc eke ekg ekl eko ekp eks ekt ela elb elc ele elg elk ell elo elp els elt eo- eoa eob eoc eoe eog eok eol eoo eop eos eot ep- epa epb epc epe epg epl epo epp eps ept es- esa esb esc ese esg esk esl eso esp ess est eta etb etc ete etg etk etl eto etp ets ett g-p gaa gab gac gae gag gak gal gao gap gas gat gba gbc gbe gbg gbk gbl gbo gbp gbs gbt gca gcb gcc gce gcg gck gcl gco gcp gcs gct ge- gea geb gec gee geg gek gel geo gep ges get gga ggb ggc ggg ggo ggp ggs ggt gka gkb gko gkp gks gkt gla glb glc gle glg glk gll glo glp gls glt goa gob goc goe gog gok gol goo gop gos got gpa gpb gpc gpe gpg gpk gpl gpo gpp gps gpt gsa gsb gsc gse gsg gsk gsl gso gsp gss gst gta gtb gtc gte gtg gtk gtl gto gtp gts gtt k-t ka- kaa kab kac kae kag kak kal kao kap kas kat kba kbb kbc kbe kbk kbl kbo kbp kbs kca kcb kcc kce kcg kck kcl kcp kcs kct ke- kea keb kec kee keg kek kel keo kep kes ket kga kgb kgc kgl kgo kgp kgs kkb kkc kke kkk kkl kkp kks kkt kl- kla klb klc klg klo kls klt koa kob koc koe kog kok kol koo kop kos kot kpa kpc kpe kpk kpl kpo kpp kps kpt ksa ksb ksc kse ksg ksk ksl kso ksp kss kst kta ktb ktc kte ktg ktk ktl kto ktp kts ktt l-p la- laa lab lac lae lag lak lal lao lap las lat lba lbb lbc lbe lbg lbk lbl lbo lbp lbs lbt lca lcb lcc lce lcg lck lcl lco lcp lcs lct lea leb lec lee leg lek lel leo lep les let lga lgb lgc lge lgg lgk lgl lgo lgp lgs lgt lka lkb lkg lkl lkp lks lkt lla llb llc lle llg llk lll llo llp lls llt loa lob loc loe log lok lol loo lop los lot lpa lpb lpc lpe lpg lpk lpl lpo lpp lps lpt lsa lsb lsc lse lsg lsk lsl lso lsp lss lst lta ltb ltc lte ltg ltk ltl lto ltp lts ltt oaa oab oac oae oag oak oal oao oap oas oat ob- oba obb obc obe obg obk obl obo obp obs obt oc- oca ocb occ ocg ock ocl oco ocp ocs oct oea oeb oec oee oeg oel oeo oep oes oet oga ogc oge ogg ogl ogo ogp ogs ogt oka okb okc oke okg okk okl oko okp oks ola olb olc ole olg olk oll olo olp ols olt oo- ooa oob ooc oog ook ool ooo oop oos oot op- opa opb opc ope opg opk opl opo opp ops opt os- osa osb osc ose osg osk osl oso osp oss ost ot- ota otb otc ote otg otk otl oto otp ots ott p-p paa pab pac pae pag pak pal pao pap pas pat pba pbb pbc pbe pbg pbk pbl pbo pbp pbs pbt pca pcb pcc pce pcg pck pcl pco pcp pcs pct pea peb pec pee peg pek pel peo pep