-ic a-a a-b a-c a-i aaa aab aac aaf aah aai aan aao aar aas aau ab- aba abb abc abf abh abi abn abo abr abs abu ac- aca acb acc acf ach aci acn aco acr acs acu af- afa afb afc aff afh afi afn afo afr afs afu aha ahb ahc ahf ahh ahi ahn aho ahr ahs ahu ai- aia aib aic aif aih aii ain aio air ais aiu an- ana anb anc anf anh ani ann ano anr ans anu aoa aob aoc aof aoh aoi aon aoo aor aos aou ar- ara arb arc arf arh ari arn aro arr ars aru as- asa asb asc asf ash asi asn aso asr ass asu au- aua aub auc auf auh aui aun auo aur aus b-u baa bab bac baf bah bai ban bao bar bas bau bba bbb bbc bbf bbh bbi bbn bbo bbr bbs bbu bca bcb bcc bcf bch bci bcn bco bcr bcs bcu bfa bfb bfc bff bfh bfi bfn bfo bfr bfs bfu bha bhb bhc bhf bhh bhi bho bhr bhs bhu bi- bia bib bic bif bih bii bin bio bir bis biu bna bnb bnc bnf bni bnn bno bnr bns bnu boa bob boc bof boh boi bon boo bor bos bou bra brb brf brh bri brn bro brr brs bru bsa bsb bsc bsf bsh bsi bsn bso bsr bss bsu bua bub buc buf buh bui bun buo bur bus buu c-- caa cab cac caf cah cai can cao car cas cau cba cbb cbc cbf cbh cbi cbn cbo cbr cbs cbu cca ccb ccc ccf cch cci ccn cco ccr ccs ccu cfa cfb cfc cff cfh cfi cfn cfo cfr cfs cfu ch- cha chb chc chf chh chi chn cho chr chs chu ci- cia cib cic cif cih cii cin cio cir cis ciu cn- cna cnb cnc cnf cnh cni cnn cno cnr cns cnu co- coa cob coc cof coh coi con coo cor cos cou cra crb crc crf crh cri crn cro crr crs cru csa csb csc csf csh csi csn cso csr css csu cua cub cuc cuf cuh cui cun cuo cur cus cuu faa fab fac faf fah fai fan fao far fas fau fba fbb fbc fbf fbh fbi fbn fbo fbr fbs fbu fca fcb fcc fcf fci fcn fco fcr fcs fcu ffa ffc fff ffh ffi ffn ffo ffr ffs ffu fha fhb fhc fhf fhh fhi fhn fho fhr fhs fia fib fic fif fih fii fin fir fis fiu fna fnb fnc fnf fnh fni fnn fnr fns fnu foa fob foc fof foh foi fon foo for fos fou fra frb frc frf frh fri frn fro frr frs fru fsa fsb fsc fsf fsh fsi fsn fso fsr fss fsu fua fub fuf fui fun fuo fur fus fuu h-i haa hab hac haf hah hai han hao har has hau hba hbb hbc hbf hbh hbi hbn hbo hbr hbs hbu hca hcb hcc hcf hch hci hcn hco hcr hcs hfa hfb hfc hff hfh hfi hfn hfo hfr hfs hfu hha hhb hhc hhf hhh hhi hhn hho hhr hhs hhu hia hib hic hif hih hii hin hio hir his hiu hna hnb hnc hnf hnh hnn hno hns hnu hoa hob hoc hof hoh hoi hon hoo hor hos hou hr- hra hrb hrc hrf hrh hri hrn hro hrr hrs hru hsa hsb hsc hsf hsh hsi hsn hsr hss hsu hua hub huc huf huh hui hun huo hur hus huu i-f ia- iaa iab iac iaf iah iai ian iao iar ias iau iba ibb ibc ibf ibh ibi ibn ibo ibr ibs ibu ica icb icc icf ich ici icn ico icr ics icu ifa ifb ifc iff ifi ifn ifo ifr ifs ifu iha ihb ihc ihf ihh ihi ihn iho ihr ihs ihu iia iib iic iif iih iii iin iio iir iis iiu in- ina inb inc inf inh ini inn ino inr ins inu io- ioa iob ioc iof ioh ioi ion ioo ior ios iou ir- ira irb irc irf iri irn iro irr irs iru is- isa isb isc isf ish isi isn iso isr iss isu iu- iua iub iuc iui iur ius n-i naa nab nac naf nah nai nan nao nar nas nau nba nbb nbc nbf nbi nbn nbo nbr nbs nbu nca ncb ncc ncf nch nci ncn nco ncr ncs ncu nfa nfb nfc nff nfi nfn nfo nfr nfs nfu nha nhb nhc nhf nhh nhi nhn nhr nhs nhu nia nib nic nif nih nii nin nio nir nis niu nna nnb nnc nnf nnh nni nnn nno nns nnu no- noa nob noc nof noh noi non noo nor nos nou nra nrb nrc nrf nri nrn nro nrr nrs nru nsa nsb nsc nsf nsh nsi nsn nso nsr nss nsu nua nub nuc nuh nui nun nuo nur nus nuu o-i oaa oab oac oaf oah oai oan oao oar oas oau ob- oba obb obc obf obh obi obn obo obr obs obu oc- oca ocb occ ocf och oci ocn oco ocr ocs ocu of- ofa ofb ofc off ofi ofn ofo ofr ofs ofu oha ohc ohf ohh ohi ohn oho ohr ohs ohu oia oib oic oif oii oin oio oir ois oiu on- ona onb onc onf onh oni onn ono onr ons onu oo- ooa oob ooc oof ooh ooi oon ooo oor oos or- ora orb orc orf orh ori orn oro orr ors oru os- osa osb osc osf osh osi osn oso osr oss osu ou- oua ouc ouf ouh oui oun ouo our ous ra- raa rab rac raf rah rai ran rao rar ras rau rba rbb rbc rbf rbh rbi rbn rbo rbr rbs rbu rca rcb rcc