-al -ol a-a a-b a-t aaa aab aae aak aal aao aap aas aat ab- aba abb abe abk abl abo abp abs abt aea aeb aee aek ael aeo aep aes aet aka akb ake akk akl ako akp aks al- ala alb ale alk all alo alp als alt aoa aob aoe aok aol aoo aop aos aot ap- apa apb ape apk apl apo app aps apt as- asa asb ase ask asl aso asp ass ast at- ata atb ate atl ato atp ats att b-p baa bab bae bak bal bao bap bas bat bba bbb bbe bbk bbl bbo bbp bbs bbt be- bea beb bee bek bel beo bep bes bet bka bkb bke bkk bkl bko bkp bks bkt bla blb ble blk bll blo blp bls blt boa bob boe bok bol boo bop bos bot bpa bpb bpe bpl bpo bpp bps bpt bsa bsb bse bsk bsl bso bsp bss bst bta btb bte btk btl bto btp bts btt eaa eab eae eak eal eao eap eas eat eba ebb ebe ebk ebl ebo ebp ebs ebt eea eeb eee eek eel eeo eep ees eet eka ekb eke ekl eko ekp eks ekt ela elb ele elk ell elo elp els elt eo- eoa eob eoe eok eol eoo eop eos eot ep- epa epb epe epl epo epp eps ept es- esa esb ese esk esl eso esp ess est eta etb ete etk etl eto etp ets ett k-t ka- kaa kab kae kak kal kao kap kas kat kba kbb kbe kbk kbl kbo kbp kbs ke- kea keb kee kek kel keo kep kes ket kkb kke kkk kkl kkp kks kkt kl- kla klb klo kls klt koa kob koe kok kol koo kop kos kot kpa kpe kpk kpl kpo kpp kps kpt ksa ksb kse ksk ksl kso ksp kss kst kta ktb kte ktk ktl kto ktp kts ktt l-p la- laa lab lae lak lal lao lap las lat lba lbb lbe lbk lbl lbo lbp lbs lbt lea leb lee lek lel leo lep les let lka lkb lkl lkp lks lkt lla llb lle llk lll llo llp lls llt loa lob loe lok lol loo lop los lot lpa lpb lpe lpk lpl lpo lpp lps lpt lsa lsb lse lsk lsl lso lsp lss lst lta ltb lte ltk ltl lto ltp lts ltt oaa oab oae oak oal oao oap oas oat ob- oba obb obe obk obl obo obp obs obt oea oeb oee oel oeo oep oes oet oka okb oke okk okl oko okp oks ola olb ole olk oll olo olp ols olt oo- ooa oob ook ool ooo oop oos oot op- opa opb ope opk opl opo opp ops opt os- osa osb ose osk osl oso osp oss ost ot- ota otb ote otk otl oto otp ots ott p-p paa pab pae pak pal pao pap pas pat pba pbb pbe pbk pbl pbo pbp pbs pbt pea peb pee pek pel peo pep pes pet pka pkb pke pkl pko pkp pks pkt pla plb ple plk pll plo plp pls plt poa pob poe pok pol poo pop pos pot ppa ppb ppe ppk ppl ppo ppp pps ppt ps- psa psb pse psk psl pso psp pss pst pt- pta ptb pte ptk ptl pto ptp pts ptt saa sab sae sak sal sao sap sas sat sba sbb sbe sbk sbl sbo sbp sbs sbt se- sea seb see sek sel seo sep ses set sk- ska skb ske skk skl sko skp sks skt sla slb sle slk sll slo slp sls slt soa sob soe sok sol soo sop sos sot spa spb spe spk spl spo spp sps spt ss- ssa ssb sse ssk ssl sso ssp sss sst sta stb ste stk stl sto stp sts stt taa tab tae tak tal tao tap tas tat tba tbb tbe tbk tbl tbo tbp tbs tbt te- tea teb tee tek tel teo tep tes tet tka tkb tke tkk tkl tko tkp tks tkt tla tle tlk tll tlo tlp tls tlt to- toa tob toe tok tol too top tos tot tpa tpb tpe tpk tpl tpo tpp tps tpt tsa tsb tse tsk tsl tso tsp tss tst tta ttb tte ttk ttl tto ttp tts ttt