-er a-a a-b a-i aaa aab aae aah aai aak aan aao aar aas aau ab- aba abb abe abh abi abk abn abo abr abs abu aea aeb aee aeh aei aek aen aeo aer aes aeu aha ahb ahe ahh ahi ahk ahn aho ahr ahs ahu ai- aia aib aie aih aii aik ain aio air ais aiu aka akb ake akh aki akk akn ako akr aks aku an- ana anb ane anh ani ank ann ano anr ans anu aoa aob aoe aoh aoi aok aon aoo aor aos aou ar- ara arb are arh ari ark arn aro arr ars aru as- asa asb ase ash asi ask asn aso asr ass asu au- aua aub aue auh aui auk aun auo aur aus b-u baa bab bae bah bai bak ban bao bar bas bau bba bbb bbe bbh bbi bbk bbn bbo bbr bbs bbu be- bea beb bee beh bei bek ben beo ber bes beu bha bhb bhe bhh bhi bhk bho bhr bhs bhu bi- bia bib bie bih bii bik bin bio bir bis biu bka bkb bke bkk bkn bko bkr bks bna bnb bne bni bnk bnn bno bnr bns bnu boa bob boe boh boi bok bon boo bor bos bou bra brb bre brh bri brk brn bro brr brs bru bsa bsb bse bsh bsi bsk bsn bso bsr bss bsu bua bub bue buh bui buk bun buo bur bus buu eaa eab eae eah eai eak ean eao ear eas eau eba ebb ebe ebh ebi ebk ebn ebo ebr ebs ebu eea eeb eee eek een eeo eer ees eha ehb ehe ehh ehi ehn eho ehr ehs ehu eia eib eie eii eik ein eio eir eis eiu eka ekb eke ekh eki eko ekr eks eku en- ena enb ene enh eni enk enn eno enr ens enu eo- eoa eob eoe eoh eoi eok eon eoo eor eos eou era erb ere erh eri erk ern ero err ers eru es- esa esb ese esh esi esk esn eso esr ess esu eu- eua eub eue eui eun eur eus h-i haa hab hae hah hai hak han hao har has hau hba hbb hbe hbh hbi hbk hbn hbo hbr hbs hbu he- hea heb hee heh hei hek hen heo her hes heu hha hhb hhe hhh hhi hhk hhn hho hhr hhs hhu hia hib hie hih hii hik hin hio hir his hiu hka hkb hkh hki hkk hkn hko hkr hks hku hna hnb hne hnh hnk hnn hno hns hnu hoa hob hoe hoh hoi hok hon hoo hor hos hou hr- hra hrb hre hrh hri hrk hrn hro hrr hrs hru hsa hsb hse hsh hsi hsk hsn hsr hss hsu hua hub hue huh hui huk hun huo hur hus huu ia- iaa iab iae iah iai ian iao iar ias iau iba ibb ibe ibh ibi ibk ibn ibo ibr ibs ibu ie- iea iee iei iek ien ier ies iha ihb ihe ihh ihi ihk ihn iho ihr ihs ihu iia iib iie iih iii iin iio iir iis iiu ika ikb ike iki ikk iko ikr iks iku in- ina inb ine inh ini ink inn ino inr ins inu io- ioa iob ioe ioh ioi ion ioo ior ios iou ir- ira irb ire iri irk irn iro irr irs iru is- isa isb ise ish isi isk isn iso isr iss isu iu- iua iub iue iui iur ius ka- kaa kab kae kah kai kak kan kao kar kas kau kba kbb kbe kbh kbi kbk kbn kbo kbr kbs kbu ke- kea keb kee keh kei kek ken keo ker kes kha khe khh khi khk khn kho khr khs khu kia kib kie kih kii kik kin kio kir kis kiu kkb kke kkh kki kkk kkn kkr kks kku kn- kna kne kni knk knn kno knr knu koa kob koe koh koi kok kon koo kor kos kou kra kri krk krn kro krr krs kru ksa ksb kse ksh ksi ksk ksn kso ksr kss ksu kub kue kuh kui kuk kun kur kus kuu n-i naa nab nae nah nai nak nan nao nar nas nau nba nbb nbe nbi nbk nbn nbo nbr nbs nbu ne- nea neb nee neh nei nek nen neo ner nes neu nha nhb nhe nhh nhi nhk nhn nhr nhs nhu nia nib nie nih nii nik nin nio nir nis niu nka nke nki nkk nkn nko nkr nks nku nna nnb nne nnh nni nnk nnn nno nns nnu no- noa nob noe noh noi nok non noo nor nos nou nra nrb nre nri nrk nrn nro nrr nrs nru nsa nsb nse nsh nsi nsk nsn nso nsr nss nsu nua nub nue nuh nui nuk nun nuo nur nus nuu o-i oaa oab oae oah oai oak oan oao oar oas oau ob- oba obb obe obh obi obk obn obo obr obs obu oea oeb oee oeh oei oen oeo oer oes oha ohe ohh ohi ohn oho ohr ohs ohu oia oib oie oii oik oin oio oir ois oiu oka okb oke oki okk oko okr oks oku on- ona onb one onh oni onk onn ono onr ons onu oo- ooa oob ooh ooi ook oon ooo oor oos or- ora orb ore orh ori ork orn oro orr ors oru os- osa osb ose osh osi osk osn oso osr oss osu ou- oua oue ouh oui ouk oun ouo our ous ra- raa rab rae rah rai rak ran rao rar ras rau rba rbb rbe rbh rbi rbk rbn rbo rbr rbs rbu re- rea reb ree reh rei rek ren reo rer res reu rh- rha rhb rhe rhh rhi rhn rho rhr rhs rhu ria rib rie rih rii rik rin rio rir ris rkb