-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aag aai aak aan aao aar aat ab- aba abb abc abe abf abg abi abk abn abo abr abt ac- aca acb acc ace acf acg aci ack acn aco acr act aea aeb aec aee aef aeg aei aek aen aeo aer aet af- afa afb afc afe aff afg afi afk afn afo afr aft ag- aga agb agc age agf agg agi agk agn ago agr agt ai- aia aib aic aie aif aig aii aik ain aio air ait aka akb akc ake akg aki akk akn ako akr an- ana anb anc ane anf ang ani ank ann ano anr ant aoa aob aoc aoe aof aog aoi aok aon aoo aor aot ar- ara arb arc are arf arg ari ark arn aro arr art at- ata atb atc ate atf atg ati atn ato atr att baa bab bac bae baf bag bai bak ban bao bar bat bba bbb bbc bbe bbf bbg bbi bbk bbn bbo bbr bbt bca bcb bcc bce bcf bcg bci bck bcn bco bcr bct be- bea beb bec bee bef beg bei bek ben beo ber bet bfa bfb bfc bfe bff bfg bfi bfn bfo bfr bft bga bgb bgc bge bgf bgg bgi bgk bgn bgo bgr bgt bi- bia bib bic bie bif big bii bik bin bio bir bit bka bkb bkc bke bkf bkg bkk bkn bko bkr bkt bna bnb bnc bne bnf bng bni bnk bnn bno bnr bnt boa bob boc boe bof bog boi bok bon boo bor bot bra brb bre brf brg bri brk brn bro brr brt bta btb btc bte btf btg bti btk btn bto btr btt c-- caa cab cac cae caf cag cai cak can cao car cat cba cbb cbc cbe cbf cbg cbi cbk cbn cbo cbr cbt cca ccb ccc cce ccf ccg cci cck ccn cco ccr cct ce- cea ceb cec cee cef ceg cei cek cen ceo cer cet cfa cfb cfc cfe cff cfg cfi cfk cfn cfo cfr cft cga cgb cgc cge cgg cgi cgn cgo cgr cgt ci- cia cib cic cie cif cig cii cik cin cio cir cit cka ckb ckc cki cko ckt cn- cna cnb cnc cne cnf cng cni cnn cno cnr cnt co- coa cob coc coe cof cog coi cok con coo cor cot cra crb crc cre crf crg cri crk crn cro crr crt cta ctb ctc cte ctf ctg cti ctk ctn cto ctr ctt eaa eab eac eae eaf eag eai eak ean eao ear eat eba ebb ebc ebe ebf ebg ebi ebk ebn ebo ebr ebt ec- eca ecb ecc ece ecf ecg eci eck ecn eco ecr ect eea eeb eec eee eef eeg eek een eeo eer eet ef- efa efb efc efe eff efg efi efo efr eft ega egb egc ege egf egg egi egn ego egr egt eia eib eic eie eif eig eii eik ein eio eir eit eka ekb ekc eke ekf ekg eki eko ekr ekt en- ena enb enc ene enf eng eni enk enn eno enr ent eo- eoa eob eoc eoe eof eog eoi eok eon eoo eor eot era erb erc ere erf erg eri erk ern ero err ert eta etb etc ete etf etg eti etk etn eto etr ett faa fab fac fae faf fag fai fak fan fao far fat fba fbb fbc fbe fbf fbg fbi fbk fbn fbo fbr fbt fca fcb fcc fce fcf fcg fci fck fcn fco fcr fct fea feb fec fee fef feg fei fek fen feo fer fet ffa ffc ffe fff ffg ffi ffk ffn ffo ffr fft fga fgb fgc fge fgf fgg fgi fgn fgr fgt fia fib fic fie fif fig fii fik fin fir fit fka fkb fkc fkf fkg fki fkk fkt fna fnb fnc fne fnf fng fni fnk fnn fnr fnt foa fob foc foe fof fog foi fok fon foo for fot fra frb frc fre frf frg fri frk frn fro frr frt fta ftb ftc fte ftf ftg fti ftk ftn fto ftr ftt gaa gab gac gae gaf gag gai gak gan gao gar gat gba gbc gbe gbf gbg gbi gbk gbn gbo gbr gbt gca gcb gcc gce gcf gcg gci gck gcn gco gcr gct ge- gea geb gec gee gef geg gei gek gen geo ger get gfa gfb gfc gfe gff gfi gfk gfo gfr gft gga ggb ggc ggg ggi ggn ggo ggr ggt gia gib gic gie gif gig gii gik gin gio gir git gka gkb gkn gko gkt gna gnb gnc gne gnf gni gnn gno gnr gnt goa gob goc goe gof gog goi gok gon goo gor got gra grb grc gre grf grg gri grk grn gro grr grt gta gtb gtc gte gtf gtg gti gtk gtn gto gtr gtt i-f ia- iaa iab iac iae iaf iag iai ian iao iar iat iba ibb ibc ibe ibf ibg ibi ibk ibn ibo ibr ibt ica icb icc ice icf icg ici ick icn ico icr ict ie- iea iec iee ief ieg iei iek ien ier iet ifa ifb ifc ife iff ifg ifi ifn ifo ifr ift iga igb igc ige igf igg igi igk ign igo igr igt iia iib iic iie iif iii iin iio iir iit ika ikb ikc ike ikf iki ikk iko ikr ikt in- ina inb inc ine inf ing ini ink inn ino inr int io- ioa iob ioc ioe iof iog ioi ion ioo ior iot ir- ira irb irc ire irf irg iri irk irn iro irr irt ita itb itc ite itf itg iti itk itn ito itt k-t ka- kaa kab kac kae kaf kag kai kak kan kao kar kat