-ic a-a a-b a-c a-i a-t aaa aab aac aad aaf aai aan aao aar aas aat aau ab- aba abb abc abd abf abi abn abo abr abs abt abu ac- aca acb acc acd acf aci acn aco acr acs act acu ad- ada adb adc add adf adi adn ado adr ads adt adu af- afa afb afc afd aff afi afn afo afr afs aft afu ai- aia aib aic aid aif aii ain aio air ais ait aiu an- ana anb anc and anf ani ann ano anr ans ant anu aoa aob aoc aod aof aoi aon aoo aor aos aot aou ar- ara arb arc ard arf ari arn aro arr ars art aru as- asa asb asc asd asf asi asn aso asr ass ast asu at- ata atb atc atd atf ati atn ato atr ats att atu au- aua aub auc aud auf aui aun auo aur aus aut b-u baa bab bac bad baf bai ban bao bar bas bat bau bba bbb bbc bbd bbf bbi bbn bbo bbr bbs bbt bbu bca bcb bcc bcd bcf bci bcn bco bcr bcs bct bcu bda bdb bdc bdd bdf bdi bdo bdr bds bdt bdu bfa bfb bfc bfd bff bfi bfn bfo bfr bfs bft bfu bi- bia bib bic bid bif bii bin bio bir bis bit biu bna bnb bnc bnd bnf bni bnn bno bnr bns bnt bnu boa bob boc bod bof boi bon boo bor bos bot bou bra brb brd brf bri brn bro brr brs brt bru bsa bsb bsc bsd bsf bsi bsn bso bsr bss bst bsu bta btb btc btd btf bti btn bto btr bts btt btu bua bub buc bud buf bui bun buo bur bus but buu c-- caa cab cac cad caf cai can cao car cas cat cau cba cbb cbc cbd cbf cbi cbn cbo cbr cbs cbt cbu cca ccb ccc ccd ccf cci ccn cco ccr ccs cct ccu cda cdb cdc cdd cdf cdi cdn cdo cdr cds cdt cdu cfa cfb cfc cfd cff cfi cfn cfo cfr cfs cft cfu ci- cia cib cic cid cif cii cin cio cir cis cit ciu cn- cna cnb cnc cnd cnf cni cnn cno cnr cns cnt cnu co- coa cob coc cod cof coi con coo cor cos cot cou cra crb crc crd crf cri crn cro crr crs crt cru csa csb csc csd csf csi csn cso csr css cst csu cta ctb ctc ctd ctf cti ctn cto ctr cts ctt ctu cua cub cuc cud cuf cui cun cuo cur cus cut cuu daa dab dac dad daf dai dan dao dar das dat dau dba dbb dbc dbd dbf dbi dbn dbo dbr dbs dbt dbu dca dcb dcc dcd dcf dci dcn dco dcr dcs dct dcu dda ddb ddc ddd ddf ddi ddn ddo ddr dds ddt ddu dfa dfb dfc dfd dff dfi dfn dfo dfr dfs dft dfu di- dia dib dic did dif dii din dio dir dis dit diu dna dnb dnc dnd dnf dni dnn dno dnr dns dnt doa dob doc dod dof doi don doo dor dos dot dou dra drb drc drd dri drn dro drr drs drt dru dsa dsb dsc dsd dsf dsi dsn dso dsr dss dst dsu dta dtb dtc dtd dtf dti dtn dto dtr dts dtt dtu dua dub duc dud duf dui dun duo dur dus dut faa fab fac fad faf fai fan fao far fas fat fau fba fbb fbc fbd fbf fbi fbn fbo fbr fbs fbt fbu fca fcb fcc fcd fcf fci fcn fco fcr fcs fct fcu fda fdb fdc fdd fdf fdi fdn fdo fdr fds fdt fdu ffa ffc ffd fff ffi ffn ffo ffr ffs fft ffu fia fib fic fid fif fii fin fir fis fit fiu fna fnb fnc fnd fnf fni fnn fnr fns fnt fnu foa fob foc fof foi fon foo for fos fot fou fra frb frc frd frf fri frn fro frr frs frt fru fsa fsb fsc fsd fsf fsi fsn fso fsr fss fst fsu fta ftb ftc ftd ftf fti ftn fto ftr fts ftt ftu fua fub fud fuf fui fun fuo fur fus fut fuu i-d i-f ia- iaa iab iac iad iaf iai ian iao iar ias iat iau iba ibb ibc ibd ibf ibi ibn ibo ibr ibs ibt ibu ica icb icc icd icf ici icn ico icr ics ict icu ida idb idc idd idf idi idn ido idr ids idt idu ifa ifb ifc ifd iff ifi ifn ifo ifr ifs ift ifu iia iib iic iid iif iii iin iio iir iis iit iiu in- ina inb inc ind inf ini inn ino inr ins int inu io- ioa iob ioc iod iof ioi ion ioo ior ios iot iou ir- ira irb irc ird irf iri irn iro irr irs irt iru is- isa isb isc isd isf isi isn iso isr iss ist isu ita itb itc itd itf iti itn ito its itt itu iu- iua iub iuc iud iui iur ius iut n-i naa nab nac nad naf nai nan nao nar nas nat nau nba nbb nbc nbd nbf nbi nbn nbo nbr nbs nbt nbu nca ncb ncc ncd ncf nci ncn nco ncr ncs nct ncu nda ndb ndc ndd ndf ndi ndn ndo ndr nds ndt ndu nfa nfb nfc nfd nff nfi nfn nfo nfr nfs nft nfu nia nib nic nid nif nii nin nio nir nis nit niu nna nnb nnc nnf nni nnn nno nns nnt nnu no- noa nob noc nod nof noi non noo nor nos not nou nra nrb nrc nrd nrf nri nrn nro nrr nrs nrt nru nsa nsb nsc nsd nsf nsi nsn nso nsr nss nst nsu nta