-er a-a a-b a-i aaa aab aae aah aai aak aan aao aap aar aas ab- aba abb abe abh abi abk abn abo abp abr abs aea aeb aee aeh aei aek aen aeo aep aer aes aha ahb ahe ahh ahi ahk ahn aho ahp ahr ahs ai- aia aib aie aih aii aik ain aio aip air ais aka akb ake akh aki akk akn ako akp akr aks an- ana anb ane anh ani ank ann ano anp anr ans aoa aob aoe aoh aoi aok aon aoo aop aor aos ap- apa apb ape aph api apk apn apo app apr aps ar- ara arb are arh ari ark arn aro arp arr ars as- asa asb ase ash asi ask asn aso asp asr ass b-p baa bab bae bah bai bak ban bao bap bar bas bba bbb bbe bbh bbi bbk bbn bbo bbp bbr bbs be- bea beb bee beh bei bek ben beo bep ber bes bha bhb bhe bhh bhi bhk bho bhp bhr bhs bi- bia bib bie bih bii bik bin bio bip bir bis bka bkb bke bkk bkn bko bkp bkr bks bna bnb bne bni bnk bnn bno bnp bnr bns boa bob boe boh boi bok bon boo bop bor bos bpa bpb bpe bph bpi bpn bpo bpp bpr bps bra brb bre brh bri brk brn bro brp brr brs bsa bsb bse bsh bsi bsk bsn bso bsp bsr bss eaa eab eae eah eai eak ean eao eap ear eas eba ebb ebe ebh ebi ebk ebn ebo ebp ebr ebs eea eeb eee eek een eeo eep eer ees eha ehb ehe ehh ehi ehn eho ehp ehr ehs eia eib eie eii eik ein eio eip eir eis eka ekb eke ekh eki eko ekp ekr eks en- ena enb ene enh eni enk enn eno enp enr ens eo- eoa eob eoe eoh eoi eok eon eoo eop eor eos ep- epa epb epe eph epi epn epo epp epr eps era erb ere erh eri erk ern ero erp err ers es- esa esb ese esh esi esk esn eso esp esr ess h-i haa hab hae hah hai hak han hao hap har has hba hbb hbe hbh hbi hbk hbn hbo hbp hbr hbs he- hea heb hee heh hei hek hen heo hep her hes hha hhb hhe hhh hhi hhk hhn hho hhp hhr hhs hia hib hie hih hii hik hin hio hip hir his hka hkb hkh hki hkk hkn hko hkp hkr hks hna hnb hne hnh hnk hnn hno hns hoa hob hoe hoh hoi hok hon hoo hop hor hos hpa hpb hpe hph hpi hpk hpn hpo hpp hpr hps hr- hra hrb hre hrh hri hrk hrn hro hrp hrr hrs hsa hsb hse hsh hsi hsk hsn hsp hsr hss ia- iaa iab iae iah iai ian iao iap iar ias iba ibb ibe ibh ibi ibk ibn ibo ibp ibr ibs ie- iea iee iei iek ien iep ier ies iha ihb ihe ihh ihi ihk ihn iho ihp ihr ihs iia iib iie iih iii iin iio iip iir iis ika ikb ike iki ikk iko ikr iks in- ina inb ine inh ini ink inn ino inp inr ins io- ioa iob ioe ioh ioi ion ioo iop ior ios ipa ipb ipe ipi ipn ipo ipp ipr ips ir- ira irb ire iri irk irn iro irp irr irs is- isa isb ise ish isi isk isn iso isp isr iss ka- kaa kab kae kah kai kak kan kao kap kar kas kba kbb kbe kbh kbi kbk kbn kbo kbp kbr kbs ke- kea keb kee keh kei kek ken keo kep ker kes kha khe khh khi khk khn kho khr khs kia kib kie kih kii kik kin kio kip kir kis kkb kke kkh kki kkk kkn kkp kkr kks kn- kna kne kni knk knn kno knp knr koa kob koe koh koi kok kon koo kop kor kos kpa kpe kph kpi kpk kpn kpo kpp kpr kps kra kri krk krn kro krp krr krs ksa ksb kse ksh ksi ksk ksn kso ksp ksr kss n-i naa nab nae nah nai nak nan nao nap nar nas nba nbb nbe nbi nbk nbn nbo nbp nbr nbs ne- nea neb nee neh nei nek nen neo nep ner nes nha nhb nhe nhh nhi nhk nhn nhp nhr nhs nia nib nie nih nii nik nin nio nip nir nis nka nke nki nkk nkn nko nkp nkr nks nna nnb nne nnh nni nnk nnn nno nnp nns no- noa nob noe noh noi nok non noo nop nor nos npa npb npe nph npi npn npo npp npr nps nra nrb nre nri nrk nrn nro nrp nrr nrs nsa nsb nse nsh nsi nsk nsn nso nsp nsr nss o-i oaa oab oae oah oai oak oan oao oap oar oas ob- oba obb obe obh obi obk obn obo obp obr obs oea oeb oee oeh oei oen oeo oep oer oes oha ohe ohh ohi ohn oho ohp ohr ohs oia oib oie oii oik oin oio oip oir ois oka okb oke oki okk oko okp okr oks on- ona onb one onh oni onk onn ono onp onr ons oo- ooa oob ooh ooi ook oon ooo oop oor oos op- opa opb ope oph opi opk opn opo opp opr ops or- ora orb ore orh ori ork orn oro orp orr ors os- osa osb ose osh osi osk osn oso osp osr oss p-p paa pab pae pah pai pak pan pao pap par pas pba pbb pbe pbi pbk pbn pbo pbp pbr pbs pea peb pee peh pei pek pen peo pep per pes pha phb phe phi phk phn pho php phr phs pia pib pie pih