-ic a-a a-b a-c a-i aaa aab aac aaf aah aai aan aao aar aas aay ab- aba abb abc abf abh abi abn abo abr abs aby ac- aca acb acc acf ach aci acn aco acr acs acy af- afa afb afc aff afh afi afn afo afr afs afy aha ahb ahc ahf ahh ahi ahn aho ahr ahs ahy ai- aia aib aic aif aih aii ain aio air ais aiy an- ana anb anc anf anh ani ann ano anr ans any aoa aob aoc aof aoh aoi aon aoo aor aos ar- ara arb arc arf arh ari arn aro arr ars ary as- asa asb asc asf ash asi asn aso asr ass asy ay- aya ayc ayf ayh ayi ayn ayo ayr ays baa bab bac baf bah bai ban bao bar bas bay bba bbb bbc bbf bbh bbi bbn bbo bbr bbs bby bca bcb bcc bcf bch bci bcn bco bcr bcs bcy bfa bfb bfc bff bfh bfi bfn bfo bfr bfs bfy bha bhb bhc bhf bhh bhi bho bhr bhs bi- bia bib bic bif bih bii bin bio bir bis biy bna bnb bnc bnf bni bnn bno bnr bns boa bob boc bof boh boi bon boo bor bos boy bra brb brf brh bri brn bro brr brs bry bsa bsb bsc bsf bsh bsi bsn bso bsr bss bsy by- bya byc byf byh byi byn byo byr bys c-- caa cab cac caf cah cai can cao car cas cay cba cbb cbc cbf cbh cbi cbn cbo cbr cbs cby cca ccb ccc ccf cch cci ccn cco ccr ccs cfa cfb cfc cff cfh cfi cfn cfo cfr cfs ch- cha chb chc chf chh chi chn cho chr chs chy ci- cia cib cic cif cih cii cin cio cir cis cn- cna cnb cnc cnf cnh cni cnn cno cnr cns cny co- coa cob coc cof coh coi con coo cor cos coy cra crb crc crf crh cri crn cro crr crs cry csa csb csc csf csh csi csn cso csr css csy cya cyb cyc cyf cyn cyo cyr cys faa fab fac faf fah fai fan fao far fas fay fba fbb fbc fbf fbh fbi fbn fbo fbr fbs fca fcb fcc fcf fci fcn fco fcr fcs fcy ffa ffc fff ffh ffi ffn ffo ffr ffs ffy fha fhb fhc fhf fhh fhi fhn fho fhr fhs fia fib fic fif fih fii fin fir fis fna fnb fnc fnf fnh fni fnn fnr fns foa fob foc fof foh foi fon foo for fos foy fra frb frc frf frh fri frn fro frr frs fry fsa fsb fsc fsf fsh fsi fsn fso fsr fss fy- fya fyb fyc fyi fyn fyo h-i haa hab hac haf hah hai han hao har has hay hba hbb hbc hbf hbh hbi hbn hbo hbr hbs hby hca hcb hcc hcf hch hci hcn hco hcr hcs hcy hfa hfb hfc hff hfh hfi hfn hfo hfr hfs hfy hha hhb hhc hhf hhh hhi hhn hho hhr hhs hhy hia hib hic hif hih hii hin hio hir his hna hnb hnc hnf hnh hnn hno hns hny hoa hob hoc hof hoh hoi hon hoo hor hos hoy hr- hra hrb hrc hrf hrh hri hrn hro hrr hrs hsa hsb hsc hsf hsh hsi hsn hsr hss hsy hy- hya hyb hyc hyh hyi hyn hyo hyr hys hyy i-f ia- iaa iab iac iaf iah iai ian iao iar ias iba ibb ibc ibf ibh ibi ibn ibo ibr ibs iby ica icb icc icf ich ici icn ico icr ics icy ifa ifb ifc iff ifi ifn ifo ifr ifs ify iha ihb ihc ihf ihh ihi ihn iho ihr ihs ihy iia iib iic iif iih iii iin iio iir iis in- ina inb inc inf inh ini inn ino inr ins iny io- ioa iob ioc iof ioh ioi ion ioo ior ios ir- ira irb irc irf iri irn iro irr irs iry is- isa isb isc isf ish isi isn iso isr iss isy iya iyc iyo iyr iys iyy n-i naa nab nac naf nah nai nan nao nar nas nay nba nbb nbc nbf nbi nbn nbo nbr nbs nca ncb ncc ncf nch nci ncn nco ncr ncs nfa nfb nfc nff nfi nfn nfo nfr nfs nha nhb nhc nhf nhh nhi nhn nhr nhs nhy nia nib nic nif nih nii nin nio nir nis nna nnb nnc nnf nnh nni nnn nno nns no- noa nob noc nof noh noi non noo nor nos noy nra nrb nrc nrf nri nrn nro nrr nrs nry nsa nsb nsc nsf nsh nsi nsn nso nsr nss nsy nya nyc nyf nyn nyo nys nyy o-i oaa oab oac oaf oah oai oan oao oar oas ob- oba obb obc obf obh obi obn obo obr obs oby oc- oca ocb occ ocf och oci ocn oco ocr ocs of- ofa ofb ofc off ofi ofn ofo ofr ofs oha ohc ohf ohh ohi ohn oho ohr ohs oia oib oic oif oii oin oio oir ois on- ona onb onc onf onh oni onn ono onr ons ony oo- ooa oob ooc oof ooh ooi oon ooo oor oos or- ora orb orc orf orh ori orn oro orr ors ory os- osa osb osc osf osh osi osn oso osr oss oya oyi oyo oys ra- raa rab rac raf rah rai ran rao rar ras ray rba rbb rbc rbf rbh rbi rbn rbo rbr rbs rca rcb rcc rcf rch rci rcn rco rcr rcs rfa rfb rfc rff rfh rfi rfn rfo rfr rfs rh- rha rhb rhc rhf rhh rhi rhn rho rhr rhs ria rib ric rif rih rii rin rio rir ris riy rna rnb rnc rnh rni