-er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aan aao aar aas aau ab- aba abb abc abe abh abi abn abo abr abs abu ac- aca acb acc ace ach aci acn aco acr acs acu aea aeb aec aee aeh aei aen aeo aer aes aeu aha ahb ahc ahe ahh ahi ahn aho ahr ahs ahu ai- aia aib aic aie aih aii ain aio air ais aiu an- ana anb anc ane anh ani ann ano anr ans anu aoa aob aoc aoe aoh aoi aon aoo aor aos aou ar- ara arb arc are arh ari arn aro arr ars aru as- asa asb asc ase ash asi asn aso asr ass asu au- aua aub auc aue auh aui aun auo aur aus b-u baa bab bac bae bah bai ban bao bar bas bau bba bbb bbc bbe bbh bbi bbn bbo bbr bbs bbu bca bcb bcc bce bch bci bcn bco bcr bcs bcu be- bea beb bec bee beh bei ben beo ber bes beu bha bhb bhc bhe bhh bhi bho bhr bhs bhu bi- bia bib bic bie bih bii bin bio bir bis biu bna bnb bnc bne bni bnn bno bnr bns bnu boa bob boc boe boh boi bon boo bor bos bou bra brb bre brh bri brn bro brr brs bru bsa bsb bsc bse bsh bsi bsn bso bsr bss bsu bua bub buc bue buh bui bun buo bur bus buu c-- caa cab cac cae cah cai can cao car cas cau cba cbb cbc cbe cbh cbi cbn cbo cbr cbs cbu cca ccb ccc cce cch cci ccn cco ccr ccs ccu ce- cea ceb cec cee ceh cei cen ceo cer ces ceu ch- cha chb chc che chh chi chn cho chr chs chu ci- cia cib cic cie cih cii cin cio cir cis ciu cn- cna cnb cnc cne cnh cni cnn cno cnr cns cnu co- coa cob coc coe coh coi con coo cor cos cou cra crb crc cre crh cri crn cro crr crs cru csa csb csc cse csh csi csn cso csr css csu cua cub cuc cue cuh cui cun cuo cur cus cuu eaa eab eac eae eah eai ean eao ear eas eau eba ebb ebc ebe ebh ebi ebn ebo ebr ebs ebu ec- eca ecb ecc ece ech eci ecn eco ecr ecs ecu eea eeb eec eee een eeo eer ees eha ehb ehc ehe ehh ehi ehn eho ehr ehs ehu eia eib eic eie eii ein eio eir eis eiu en- ena enb enc ene enh eni enn eno enr ens enu eo- eoa eob eoc eoe eoh eoi eon eoo eor eos eou era erb erc ere erh eri ern ero err ers eru es- esa esb esc ese esh esi esn eso esr ess esu eu- eua eub euc eue eui eun eur eus h-i haa hab hac hae hah hai han hao har has hau hba hbb hbc hbe hbh hbi hbn hbo hbr hbs hbu hca hcb hcc hce hch hci hcn hco hcr hcs he- hea heb hec hee heh hei hen heo her hes heu hha hhb hhc hhe hhh hhi hhn hho hhr hhs hhu hia hib hic hie hih hii hin hio hir his hiu hna hnb hnc hne hnh hnn hno hns hnu hoa hob hoc hoe hoh hoi hon hoo hor hos hou hr- hra hrb hrc hre hrh hri hrn hro hrr hrs hru hsa hsb hsc hse hsh hsi hsn hsr hss hsu hua hub huc hue huh hui hun huo hur hus huu ia- iaa iab iac iae iah iai ian iao iar ias iau iba ibb ibc ibe ibh ibi ibn ibo ibr ibs ibu ica icb icc ice ich ici icn ico icr ics icu ie- iea iec iee iei ien ier ies iha ihb ihc ihe ihh ihi ihn iho ihr ihs ihu iia iib iic iie iih iii iin iio iir iis iiu in- ina inb inc ine inh ini inn ino inr ins inu io- ioa iob ioc ioe ioh ioi ion ioo ior ios iou ir- ira irb irc ire iri irn iro irr irs iru is- isa isb isc ise ish isi isn iso isr iss isu iu- iua iub iuc iue iui iur ius n-i naa nab nac nae nah nai nan nao nar nas nau nba nbb nbc nbe nbi nbn nbo nbr nbs nbu nca ncb ncc nce nch nci ncn nco ncr ncs ncu ne- nea neb nec nee neh nei nen neo ner nes neu nha nhb nhc nhe nhh nhi nhn nhr nhs nhu nia nib nic nie nih nii nin nio nir nis niu nna nnb nnc nne nnh nni nnn nno nns nnu no- noa nob noc noe noh noi non noo nor nos nou nra nrb nrc nre nri nrn nro nrr nrs nru nsa nsb nsc nse nsh nsi nsn nso nsr nss nsu nua nub nuc nue nuh nui nun nuo nur nus nuu o-i oaa oab oac oae oah oai oan oao oar oas oau ob- oba obb obc obe obh obi obn obo obr obs obu oc- oca ocb occ och oci ocn oco ocr ocs ocu oea oeb oec oee oeh oei oen oeo oer oes oha ohc ohe ohh ohi ohn oho ohr ohs ohu oia oib oic oie oii oin oio oir ois oiu on- ona onb onc one onh oni onn ono onr ons onu oo- ooa oob ooc ooh ooi oon ooo oor oos or- ora orb orc ore orh ori orn oro orr ors oru os- osa osb osc ose osh osi osn oso osr oss osu ou- oua ouc oue ouh oui oun ouo our ous ra- raa rab rac rae rah rai ran rao rar ras rau rba rbb rbc rbe rbh rbi rbn rbo