-er a-a a-b a-i aaa aab aae aai aak aan aao aap aar aas aaw ab- aba abb abe abi abk abn abo abp abr abs abw aea aeb aee aei aek aen aeo aep aer aes aew ai- aia aib aie aii aik ain aio aip air ais aiw aka akb ake aki akk akn ako akp akr aks akw an- ana anb ane ani ank ann ano anp anr ans aoa aob aoe aoi aok aon aoo aop aor aos aow ap- apa apb ape api apk apn apo app apr aps apw ar- ara arb are ari ark arn aro arp arr ars arw as- asa asb ase asi ask asn aso asp asr ass asw aw- awa awb awe awi awk awn awo awp awr aws aww b-p baa bab bae bai bak ban bao bap bar bas baw bba bbb bbe bbi bbk bbn bbo bbp bbr bbs bbw be- bea beb bee bei bek ben beo bep ber bes bew bi- bia bib bie bii bik bin bio bip bir bis biw bka bkb bke bkk bkn bko bkp bkr bks bkw bna bnb bne bni bnk bnn bno bnp bnr bns bnw boa bob boe boi bok bon boo bop bor bos bow bpa bpb bpe bpi bpn bpo bpp bpr bps bpw bra brb bre bri brk brn bro brp brr brs brw bsa bsb bse bsi bsk bsn bso bsp bsr bss bsw bwa bwb bwi bwk bwo bwp bwr bws eaa eab eae eai eak ean eao eap ear eas eaw eba ebb ebe ebi ebk ebn ebo ebp ebr ebs ebw eea eeb eee eek een eeo eep eer ees eew eia eib eie eii eik ein eio eip eir eis eka ekb eke eki eko ekp ekr eks en- ena enb ene eni enk enn eno enp enr ens enw eo- eoa eob eoe eoi eok eon eoo eop eor eos eow ep- epa epb epe epi epn epo epp epr eps epw era erb ere eri erk ern ero erp err ers erw es- esa esb ese esi esk esn eso esp esr ess esw ewa ewb ewe ewi ewk ewo ewp ewr ews eww ia- iaa iab iae iai ian iao iap iar ias iaw iba ibb ibe ibi ibk ibn ibo ibp ibr ibs ibw ie- iea iee iei iek ien iep ier ies iia iib iie iii iin iio iip iir iis iiw ika ikb ike iki ikk iko ikr iks in- ina inb ine ini ink inn ino inp inr ins io- ioa iob ioe ioi ion ioo iop ior ios iow ipa ipb ipe ipi ipn ipo ipp ipr ips ir- ira irb ire iri irk irn iro irp irr irs is- isa isb ise isi isk isn iso isp isr iss isw iwa iwb iwe iwi iwk iwo iwp iwr iws iww ka- kaa kab kae kai kak kan kao kap kar kas kaw kba kbb kbe kbi kbk kbn kbo kbp kbr kbs kbw ke- kea keb kee kei kek ken keo kep ker kes kew kia kib kie kii kik kin kio kip kir kis kkb kke kki kkk kkn kkp kkr kks kn- kna kne kni knk knn kno knp knr koa kob koe koi kok kon koo kop kor kos kow kpa kpe kpi kpk kpn kpo kpp kpr kps kpw kra kri krk krn kro krp krr krs krw ksa ksb kse ksi ksk ksn kso ksp ksr kss ksw kw- kwa kwi kwk kwo kwp kws kww n-i naa nab nae nai nak nan nao nap nar nas naw nba nbb nbe nbi nbk nbn nbo nbp nbr nbs nbw ne- nea neb nee nei nek nen neo nep ner nes new nia nib nie nii nik nin nio nip nir nis nka nke nki nkk nkn nko nkp nkr nks nna nnb nne nni nnk nnn nno nnp nns nnw no- noa nob noe noi nok non noo nop nor nos now npa npb npe npi npn npo npp npr nps npw nra nrb nre nri nrk nrn nro nrp nrr nrs nrw nsa nsb nse nsi nsk nsn nso nsp nsr nss nsw nwa nwb nwe nwi nwn nwo nwp nwr nws o-i oaa oab oae oai oak oan oao oap oar oas oaw ob- oba obb obe obi obk obn obo obp obr obs obw oea oeb oee oei oen oeo oep oer oes oia oib oie oii oik oin oio oip oir ois oka okb oke oki okk oko okp okr oks okw on- ona onb one oni onk onn ono onp onr ons oo- ooa oob ooi ook oon ooo oop oor oos oow op- opa opb ope opi opk opn opo opp opr ops opw or- ora orb ore ori ork orn oro orp orr ors os- osa osb ose osi osk osn oso osp osr oss osw owa owb owe owi owk own owo owp ows oww p-p paa pab pae pai pak pan pao pap par pas paw pba pbb pbe pbi pbk pbn pbo pbp pbr pbs pbw pea peb pee pei pek pen peo pep per pes pew pia pib pie pii pik pin pio pip pir pis piw pka pkb pke pki pkn pko pkp pkr pks pn- pna pnb pne pni pnk pnn pno pnp pnr pns pnw poa pob poe poi pok pon poo pop por pos pow ppa ppb ppe ppi ppk ppn ppo ppp ppr pps ppw pra prb pre pri prk prn pro prp prr prs prw ps- psa psb pse psi psk psn pso psp psr pss psw pwa pwb pwe pwi pwn pwo pwp pwr pws ra- raa rab rae rai rak ran rao rap rar ras raw rba rbb rbe rbi rbk rbn rbo rbp rbr rbs rbw re- rea reb ree rei rek ren reo rep rer res rew ria rib rie rii rik rin rio rip rir ris rkb rke rkk rko rkp rks