-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aan aao aar aas aat aau ab- aba abb abc abf abg abi abn abo abr abs abt abu ac- aca acb acc acf acg aci acn aco acr acs act acu af- afa afb afc aff afg afi afn afo afr afs aft afu ag- aga agb agc agf agg agi agn ago agr ags agt agu ai- aia aib aic aif aig aii ain aio air ais ait aiu an- ana anb anc anf ang ani ann ano anr ans ant anu aoa aob aoc aof aog aoi aon aoo aor aos aot aou ar- ara arb arc arf arg ari arn aro arr ars art aru as- asa asb asc asf asg asi asn aso asr ass ast asu at- ata atb atc atf atg ati atn ato atr ats att atu au- aua aub auc auf aug aui aun auo aur aus aut b-u baa bab bac baf bag bai ban bao bar bas bat bau bba bbb bbc bbf bbg bbi bbn bbo bbr bbs bbt bbu bca bcb bcc bcf bcg bci bcn bco bcr bcs bct bcu bfa bfb bfc bff bfg bfi bfn bfo bfr bfs bft bfu bga bgb bgc bgf bgg bgi bgn bgo bgr bgs bgt bgu bi- bia bib bic bif big bii bin bio bir bis bit biu bna bnb bnc bnf bng bni bnn bno bnr bns bnt bnu boa bob boc bof bog boi bon boo bor bos bot bou bra brb brf brg bri brn bro brr brs brt bru bsa bsb bsc bsf bsg bsi bsn bso bsr bss bst bsu bta btb btc btf btg bti btn bto btr bts btt btu bua bub buc buf bug bui bun buo bur bus but buu c-- caa cab cac caf cag cai can cao car cas cat cau cba cbb cbc cbf cbg cbi cbn cbo cbr cbs cbt cbu cca ccb ccc ccf ccg cci ccn cco ccr ccs cct ccu cfa cfb cfc cff cfg cfi cfn cfo cfr cfs cft cfu cga cgb cgc cgg cgi cgn cgo cgr cgs cgt cgu ci- cia cib cic cif cig cii cin cio cir cis cit ciu cn- cna cnb cnc cnf cng cni cnn cno cnr cns cnt cnu co- coa cob coc cof cog coi con coo cor cos cot cou cra crb crc crf crg cri crn cro crr crs crt cru csa csb csc csf csg csi csn cso csr css cst csu cta ctb ctc ctf ctg cti ctn cto ctr cts ctt ctu cua cub cuc cuf cug cui cun cuo cur cus cut cuu faa fab fac faf fag fai fan fao far fas fat fau fba fbb fbc fbf fbg fbi fbn fbo fbr fbs fbt fbu fca fcb fcc fcf fcg fci fcn fco fcr fcs fct fcu ffa ffc fff ffg ffi ffn ffo ffr ffs fft ffu fga fgb fgc fgf fgg fgi fgn fgr fgs fgt fia fib fic fif fig fii fin fir fis fit fiu fna fnb fnc fnf fng fni fnn fnr fns fnt fnu foa fob foc fof fog foi fon foo for fos fot fou fra frb frc frf frg fri frn fro frr frs frt fru fsa fsb fsc fsf fsg fsi fsn fso fsr fss fst fsu fta ftb ftc ftf ftg fti ftn fto ftr fts ftt ftu fua fub fuf fug fui fun fuo fur fus fut fuu gaa gab gac gaf gag gai gan gao gar gas gat gau gba gbc gbf gbg gbi gbn gbo gbr gbs gbt gbu gca gcb gcc gcf gcg gci gcn gco gcr gcs gct gcu gfa gfb gfc gff gfi gfo gfr gfs gft gga ggb ggc ggg ggi ggn ggo ggr ggs ggt ggu gia gib gic gif gig gii gin gio gir gis git giu gna gnb gnc gnf gni gnn gno gnr gns gnt gnu goa gob goc gof gog goi gon goo gor gos got gou gra grb grc grf grg gri grn gro grr grs grt gru gsa gsb gsc gsf gsg gsi gsn gso gsr gss gst gsu gta gtb gtc gtf gtg gti gtn gto gtr gts gtt gtu gu- gua gub guc guf gug gui gun guo gur gus gut guu i-f ia- iaa iab iac iaf iag iai ian iao iar ias iat iau iba ibb ibc ibf ibg ibi ibn ibo ibr ibs ibt ibu ica icb icc icf icg ici icn ico icr ics ict icu ifa ifb ifc iff ifg ifi ifn ifo ifr ifs ift ifu iga igb igc igf igg igi ign igo igr igs igt igu iia iib iic iif iii iin iio iir iis iit iiu in- ina inb inc inf ing ini inn ino inr ins int inu io- ioa iob ioc iof iog ioi ion ioo ior ios iot iou ir- ira irb irc irf irg iri irn iro irr irs irt iru is- isa isb isc isf isg isi isn iso isr iss ist isu ita itb itc itf itg iti itn ito its itt itu iu- iua iub iuc iug iui iur ius iut n-i naa nab nac naf nag nai nan nao nar nas nat nau nba nbb nbc nbf nbg nbi nbn nbo nbr nbs nbt nbu nca ncb ncc ncf ncg nci ncn nco ncr ncs nct ncu nfa nfb nfc nff nfi nfn nfo nfr nfs nft nfu nga ngb ngc ngf ngg ngi ngn ngo ngs ngt ngu nia nib nic nif nig nii nin nio nir nis nit niu nna nnb nnc nnf nng nni nnn nno nns nnt nnu no- noa nob noc nof nog noi non noo nor nos not nou nra nrb nrc nrf nrg nri nrn nro nrr nrs nrt nru nsa nsb nsc nsf nsg nsi nsn nso nsr nss nst nsu nta ntb ntc ntf ntg nti ntn nto