-ic a-a a-b a-c a-i a-t aaa aab aac aaf aag aai aan aao aas aat aau ab- aba abb abc abf abg abi abn abo abs abt abu ac- aca acb acc acf acg aci acn aco acs act acu af- afa afb afc aff afg afi afn afo afs aft afu ag- aga agb agc agf agg agi agn ago ags agt agu ai- aia aib aic aif aig aii ain aio ais ait aiu an- ana anb anc anf ang ani ann ano ans ant anu aoa aob aoc aof aog aoi aon aoo aos aot aou as- asa asb asc asf asg asi asn aso ass ast asu at- ata atb atc atf atg ati atn ato ats att atu au- aua aub auc auf aug aui aun auo aus aut b-u baa bab bac baf bag bai ban bao bas bat bau bba bbb bbc bbf bbg bbi bbn bbo bbs bbt bbu bca bcb bcc bcf bcg bci bcn bco bcs bct bcu bfa bfb bfc bff bfg bfi bfn bfo bfs bft bfu bga bgb bgc bgf bgg bgi bgn bgo bgs bgt bgu bi- bia bib bic bif big bii bin bio bis bit biu bna bnb bnc bnf bng bni bnn bno bns bnt bnu boa bob boc bof bog boi bon boo bos bot bou bsa bsb bsc bsf bsg bsi bsn bso bss bst bsu bta btb btc btf btg bti btn bto bts btt btu bua bub buc buf bug bui bun buo bus but buu c-- caa cab cac caf cag cai can cao cas cat cau cba cbb cbc cbf cbg cbi cbn cbo cbs cbt cbu cca ccb ccc ccf ccg cci ccn cco ccs cct ccu cfa cfb cfc cff cfg cfi cfn cfo cfs cft cfu cga cgb cgc cgg cgi cgn cgo cgs cgt cgu ci- cia cib cic cif cig cii cin cio cis cit ciu cn- cna cnb cnc cnf cng cni cnn cno cns cnt cnu co- coa cob coc cof cog coi con coo cos cot cou csa csb csc csf csg csi csn cso css cst csu cta ctb ctc ctf ctg cti ctn cto cts ctt ctu cua cub cuc cuf cug cui cun cuo cus cut cuu faa fab fac faf fag fai fan fao fas fat fau fba fbb fbc fbf fbg fbi fbn fbo fbs fbt fbu fca fcb fcc fcf fcg fci fcn fco fcs fct fcu ffa ffc fff ffg ffi ffn ffo ffs fft ffu fga fgb fgc fgf fgg fgi fgn fgs fgt fia fib fic fif fig fii fin fis fit fiu fna fnb fnc fnf fng fni fnn fns fnt fnu foa fob foc fof fog foi fon foo fos fot fou fsa fsb fsc fsf fsg fsi fsn fso fss fst fsu fta ftb ftc ftf ftg fti ftn fto fts ftt ftu fua fub fuf fug fui fun fuo fus fut fuu gaa gab gac gaf gag gai gan gao gas gat gau gba gbc gbf gbg gbi gbn gbo gbs gbt gbu gca gcb gcc gcf gcg gci gcn gco gcs gct gcu gfa gfb gfc gff gfi gfo gfs gft gga ggb ggc ggg ggi ggn ggo ggs ggt ggu gia gib gic gif gig gii gin gio gis git giu gna gnb gnc gnf gni gnn gno gns gnt gnu goa gob goc gof gog goi gon goo gos got gou gsa gsb gsc gsf gsg gsi gsn gso gss gst gsu gta gtb gtc gtf gtg gti gtn gto gts gtt gtu gu- gua gub guc guf gug gui gun guo gus gut guu i-f ia- iaa iab iac iaf iag iai ian iao ias iat iau iba ibb ibc ibf ibg ibi ibn ibo ibs ibt ibu ica icb icc icf icg ici icn ico ics ict icu ifa ifb ifc iff ifg ifi ifn ifo ifs ift ifu iga igb igc igf igg igi ign igo igs igt igu iia iib iic iif iii iin iio iis iit iiu in- ina inb inc inf ing ini inn ino ins int inu io- ioa iob ioc iof iog ioi ion ioo ios iot iou is- isa isb isc isf isg isi isn iso iss ist isu ita itb itc itf itg iti itn ito its itt itu iu- iua iub iuc iug iui ius iut n-i naa nab nac naf nag nai nan nao nas nat nau nba nbb nbc nbf nbg nbi nbn nbo nbs nbt nbu nca ncb ncc ncf ncg nci ncn nco ncs nct ncu nfa nfb nfc nff nfi nfn nfo nfs nft nfu nga ngb ngc ngf ngg ngi ngn ngo ngs ngt ngu nia nib nic nif nig nii nin nio nis nit niu nna nnb nnc nnf nng nni nnn nno nns nnt nnu no- noa nob noc nof nog noi non noo nos not nou nsa nsb nsc nsf nsg nsi nsn nso nss nst nsu nta ntb ntc ntf ntg nti ntn nto nts ntt ntu nua nub nuc nug nui nun nuo nus nut nuu o-i oaa oab oac oaf oag oai oan oao oas oat oau ob- oba obb obc obf obg obi obn obo obs obt obu oc- oca ocb occ ocf ocg oci ocn oco ocs oct ocu of- ofa ofb ofc off ofg ofi ofn ofo ofs oft ofu oga ogc ogf ogg ogi ogn ogo ogs ogt oia oib oic oif oii oin oio ois oit oiu on- ona onb onc onf ong oni onn ono ons ont onu oo- ooa oob ooc oof oog ooi oon ooo oos oot os- osa osb osc osf osg osi osn oso oss ost osu ot- ota otb otc otf otg oti otn oto ots ott otu ou- oua ouc ouf oui oun ouo ous out saa sab sac saf sag sai san sao sas sat sau sba sbb sbc sbf sbg sbi sbn sbo sbs sbt