-er a-a a-b a-t aaa aab aae aan aao aap aar aas aat aaw ab- aba abb abe abn abo abp abr abs abt abw aea aeb aee aen aeo aep aer aes aet aew an- ana anb ane ann ano anp anr ans ant aoa aob aoe aon aoo aop aor aos aot aow ap- apa apb ape apn apo app apr aps apt apw ar- ara arb are arn aro arp arr ars art arw as- asa asb ase asn aso asp asr ass ast asw at- ata atb ate atn ato atp atr ats att atw aw- awa awb awe awn awo awp awr aws awt aww b-p baa bab bae ban bao bap bar bas bat baw bba bbb bbe bbn bbo bbp bbr bbs bbt bbw be- bea beb bee ben beo bep ber bes bet bew bna bnb bne bnn bno bnp bnr bns bnt bnw boa bob boe bon boo bop bor bos bot bow bpa bpb bpe bpn bpo bpp bpr bps bpt bpw bra brb bre brn bro brp brr brs brt brw bsa bsb bse bsn bso bsp bsr bss bst bsw bta btb bte btn bto btp btr bts btt btw bwa bwb bwo bwp bwr bws eaa eab eae ean eao eap ear eas eat eaw eba ebb ebe ebn ebo ebp ebr ebs ebt ebw eea eeb eee een eeo eep eer ees eet eew en- ena enb ene enn eno enp enr ens ent enw eo- eoa eob eoe eon eoo eop eor eos eot eow ep- epa epb epe epn epo epp epr eps ept epw era erb ere ern ero erp err ers ert erw es- esa esb ese esn eso esp esr ess est esw eta etb ete etn eto etp etr ets ett etw ewa ewb ewe ewo ewp ewr ews ewt eww naa nab nae nan nao nap nar nas nat naw nba nbb nbe nbn nbo nbp nbr nbs nbt nbw ne- nea neb nee nen neo nep ner nes net new nna nnb nne nnn nno nnp nns nnt nnw no- noa nob noe non noo nop nor nos not now npa npb npe npn npo npp npr nps npt npw nra nrb nre nrn nro nrp nrr nrs nrt nrw nsa nsb nse nsn nso nsp nsr nss nst nsw nta ntb nte ntn nto ntp ntr nts ntt nwa nwb nwe nwn nwo nwp nwr nws nwt oaa oab oae oan oao oap oar oas oat oaw ob- oba obb obe obn obo obp obr obs obt obw oea oeb oee oen oeo oep oer oes oet on- ona onb one onn ono onp onr ons ont oo- ooa oob oon ooo oop oor oos oot oow op- opa opb ope opn opo opp opr ops opt opw or- ora orb ore orn oro orp orr ors ort os- osa osb ose osn oso osp osr oss ost osw ot- ota otb ote otn oto otp otr ots ott otw owa owb owe own owo owp ows owt oww p-p paa pab pae pan pao pap par pas pat paw pba pbb pbe pbn pbo pbp pbr pbs pbt pbw pea peb pee pen peo pep per pes pet pew pn- pna pnb pne pnn pno pnp pnr pns pnt pnw poa pob poe pon poo pop por pos pot pow ppa ppb ppe ppn ppo ppp ppr pps ppt ppw pra prb pre prn pro prp prr prs prt prw ps- psa psb pse psn pso psp psr pss pst psw pt- pta ptb pte ptn pto ptp ptr pts ptt ptw pwa pwb pwe pwn pwo pwp pwr pws pwt ra- raa rab rae ran rao rap rar ras rat raw rba rbb rbe rbn rbo rbp rbr rbs rbt rbw re- rea reb ree ren reo rep rer res ret rew rna rnb rnn rno rnp rnr rns rnt rnw roa rob roe ron roo rop ror ros rot row rpa rpb rpe rpn rpo rpp rpr rps rpt rpw rra rrb rrn rrp rrr rrs rrt rsa rsb rse rsn rso rsp rsr rss rst rsw rta rtb rte rtn rto rtp rtr rts rtt rtw rwa rwb rwe rwr rws saa sab sae san sao sap sar sas sat saw sba sbb sbe sbn sbo sbp sbr sbs sbt sbw se- sea seb see sen seo sep ser ses set sew sna snb sne snn sno snp snr sns snt snw soa sob soe son soo sop sor sos sot sow spa spb spe spn spo spp spr sps spt spw sr- sra srb sre srn sro srp srr srs srt srw ss- ssa ssb sse ssn sso ssp ssr sss sst ssw sta stb ste stn sto stp str sts stt stw swa swb swe swn swo swp swr sws swt taa tab tae tan tao tap tar tas tat taw tba tbb tbe tbn tbo tbp tbr tbs tbt te- tea teb tee ten teo tep ter tes tet tew tna tnb tne tnn tno tnp tnr tns tnt tnw to- toa tob toe ton too top tor tos tot tow tpa tpb tpe tpn tpo tpp tpr tps tpt tpw tra trb tre trn tro trp trr trs trt trw tsa tsb tse tsn tso tsp tsr tss tst tsw tta ttb tte ttn tto ttp ttr tts ttt ttw twa twb twe twn two twp twr tws twt tww waa wab wae wan wao wap war was wat waw wba wbb wbe wbn wbo wbr wbs wbt wbw wea web wee wen weo wep wer wes wet wew wn- wna wne wnn wno wnp wns wnt wnw woa wob woe won woo wop wor wos wot wow wpa wpb wpe wpn wpo wpp wpr wps wpt wr- wra wre wrn wro wrp wrr wrs wrt wrw wsa wsb wse wsn wso wsp wsr wss wst wsw wta wtb wtn wto wtp wtr wts wtt wtw wwa wwe wwn