-ic a-a a-b a-c a-i aaa aab aac aaf aag aah aai aan aar aas aau ab- aba abb abc abf abg abh abi abn abr abs abu ac- aca acb acc acf acg ach aci acn acr acs acu af- afa afb afc aff afg afh afi afn afr afs afu ag- aga agb agc agf agg agh agi agn agr ags agu aha ahb ahc ahf ahg ahh ahi ahn ahr ahs ahu ai- aia aib aic aif aig aih aii ain air ais aiu an- ana anb anc anf ang anh ani ann anr ans anu ar- ara arb arc arf arg arh ari arn arr ars aru as- asa asb asc asf asg ash asi asn asr ass asu au- aua aub auc auf aug auh aui aun aur aus b-u baa bab bac baf bag bah bai ban bar bas bau bba bbb bbc bbf bbg bbh bbi bbn bbr bbs bbu bca bcb bcc bcf bcg bch bci bcn bcr bcs bcu bfa bfb bfc bff bfg bfh bfi bfn bfr bfs bfu bga bgb bgc bgf bgg bgh bgi bgn bgr bgs bgu bha bhb bhc bhf bhg bhh bhi bhr bhs bhu bi- bia bib bic bif big bih bii bin bir bis biu bna bnb bnc bnf bng bni bnn bnr bns bnu bra brb brf brg brh bri brn brr brs bru bsa bsb bsc bsf bsg bsh bsi bsn bsr bss bsu bua bub buc buf bug buh bui bun bur bus buu c-- caa cab cac caf cag cah cai can car cas cau cba cbb cbc cbf cbg cbh cbi cbn cbr cbs cbu cca ccb ccc ccf ccg cch cci ccn ccr ccs ccu cfa cfb cfc cff cfg cfh cfi cfn cfr cfs cfu cga cgb cgc cgg cgh cgi cgn cgr cgs cgu ch- cha chb chc chf chg chh chi chn chr chs chu ci- cia cib cic cif cig cih cii cin cir cis ciu cn- cna cnb cnc cnf cng cnh cni cnn cnr cns cnu cra crb crc crf crg crh cri crn crr crs cru csa csb csc csf csg csh csi csn csr css csu cua cub cuc cuf cug cuh cui cun cur cus cuu faa fab fac faf fag fah fai fan far fas fau fba fbb fbc fbf fbg fbh fbi fbn fbr fbs fbu fca fcb fcc fcf fcg fci fcn fcr fcs fcu ffa ffc fff ffg ffh ffi ffn ffr ffs ffu fga fgb fgc fgf fgg fgh fgi fgn fgr fgs fha fhb fhc fhf fhg fhh fhi fhn fhr fhs fia fib fic fif fig fih fii fin fir fis fiu fna fnb fnc fnf fng fnh fni fnn fnr fns fnu fra frb frc frf frg frh fri frn frr frs fru fsa fsb fsc fsf fsg fsh fsi fsn fsr fss fsu fua fub fuf fug fui fun fur fus fuu gaa gab gac gaf gag gah gai gan gar gas gau gba gbc gbf gbg gbh gbi gbn gbr gbs gbu gca gcb gcc gcf gcg gch gci gcn gcr gcs gcu gfa gfb gfc gff gfh gfi gfr gfs gga ggb ggc ggg ggh ggi ggn ggr ggs ggu gha ghb ghc ghg ghh ghi ghn ghr ghs gia gib gic gif gig gih gii gin gir gis giu gna gnb gnc gnf gni gnn gnr gns gnu gra grb grc grf grg grh gri grn grr grs gru gsa gsb gsc gsf gsg gsi gsn gsr gss gsu gu- gua gub guc guf gug gui gun gur gus guu h-i haa hab hac haf hag hah hai han har has hau hba hbb hbc hbf hbg hbh hbi hbn hbr hbs hbu hca hcb hcc hcf hcg hch hci hcn hcr hcs hfa hfb hfc hff hfg hfh hfi hfn hfr hfs hfu hga hgb hgc hgf hgg hgh hgi hgn hgr hgs hgu hha hhb hhc hhf hhg hhh hhi hhn hhr hhs hhu hia hib hic hif hig hih hii hin hir his hiu hna hnb hnc hnf hng hnh hnn hns hnu hr- hra hrb hrc hrf hrg hrh hri hrn hrr hrs hru hsa hsb hsc hsf hsg hsh hsi hsn hsr hss hsu hua hub huc huf hug huh hui hun hur hus huu i-f ia- iaa iab iac iaf iag iah iai ian iar ias iau iba ibb ibc ibf ibg ibh ibi ibn ibr ibs ibu ica icb icc icf icg ich ici icn icr ics icu ifa ifb ifc iff ifg ifi ifn ifr ifs ifu iga igb igc igf igg igh igi ign igr igs igu iha ihb ihc ihf ihg ihh ihi ihn ihr ihs ihu iia iib iic iif iih iii iin iir iis iiu in- ina inb inc inf ing inh ini inn inr ins inu ir- ira irb irc irf irg iri irn irr irs iru is- isa isb isc isf isg ish isi isn isr iss isu iu- iua iub iuc iug iui iur ius n-i naa nab nac naf nag nah nai nan nar nas nau nba nbb nbc nbf nbg nbi nbn nbr nbs nbu nca ncb ncc ncf ncg nch nci ncn ncr ncs ncu nfa nfb nfc nff nfi nfn nfr nfs nfu nga ngb ngc ngf ngg ngh ngi ngn ngs ngu nha nhb nhc nhf nhg nhh nhi nhn nhr nhs nhu nia nib nic nif nig nih nii nin nir nis niu nna nnb nnc nnf nng nnh nni nnn nns nnu nra nrb nrc nrf nrg nri nrn nrr nrs nru nsa nsb nsc nsf nsg nsh nsi nsn nsr nss nsu nua nub nuc nug nuh nui nun nur nus nuu ra- raa rab rac raf rag rah rai ran rar ras rau rba rbb rbc rbf rbg rbh rbi rbn rbr rbs rbu rca rcb rcc rcf rcg rch rci rcn rcr rcs rcu rfa rfb rfc rff rfg rfh rfi