-al -er -ic -ol a-a a-b a-c a-i aaa aab aac aae aaf aag aai aal aan aao aar aau ab- aba abb abc abe abf abg abi abl abn abo abr abu ac- aca acb acc ace acf acg aci acl acn aco acr acu aea aeb aec aee aef aeg aei ael aen aeo aer aeu af- afa afb afc afe aff afg afi afl afn afo afr afu ag- aga agb agc age agf agg agi agl agn ago agr agu ai- aia aib aic aie aif aig aii ail ain aio air aiu al- ala alb alc ale alf alg ali all aln alo alr alu an- ana anb anc ane anf ang ani anl ann ano anr anu aoa aob aoc aoe aof aog aoi aol aon aoo aor aou ar- ara arb arc are arf arg ari arl arn aro arr aru au- aua aub auc aue auf aug aui aul aun auo aur b-u baa bab bac bae baf bag bai bal ban bao bar bau bba bbb bbc bbe bbf bbg bbi bbl bbn bbo bbr bbu bca bcb bcc bce bcf bcg bci bcl bcn bco bcr bcu be- bea beb bec bee bef beg bei bel ben beo ber beu bfa bfb bfc bfe bff bfg bfi bfl bfn bfo bfr bfu bga bgb bgc bge bgf bgg bgi bgl bgn bgo bgr bgu bi- bia bib bic bie bif big bii bil bin bio bir biu bla blb blc ble blf blg bli bll bln blo blr blu bna bnb bnc bne bnf bng bni bnl bnn bno bnr bnu boa bob boc boe bof bog boi bol bon boo bor bou bra brb bre brf brg bri brl brn bro brr bru bua bub buc bue buf bug bui bul bun buo bur buu c-- caa cab cac cae caf cag cai cal can cao car cau cba cbb cbc cbe cbf cbg cbi cbl cbn cbo cbr cbu cca ccb ccc cce ccf ccg cci ccl ccn cco ccr ccu ce- cea ceb cec cee cef ceg cei cel cen ceo cer ceu cfa cfb cfc cfe cff cfg cfi cfl cfn cfo cfr cfu cga cgb cgc cge cgg cgi cgl cgn cgo cgr cgu ci- cia cib cic cie cif cig cii cil cin cio cir ciu cl- cla clb clc cle clf clg cli cll cln clo clr clu cn- cna cnb cnc cne cnf cng cni cnl cnn cno cnr cnu co- coa cob coc coe cof cog coi col con coo cor cou cra crb crc cre crf crg cri crl crn cro crr cru cua cub cuc cue cuf cug cui cul cun cuo cur cuu eaa eab eac eae eaf eag eai eal ean eao ear eau eba ebb ebc ebe ebf ebg ebi ebl ebn ebo ebr ebu ec- eca ecb ecc ece ecf ecg eci ecl ecn eco ecr ecu eea eeb eec eee eef eeg eel een eeo eer ef- efa efb efc efe eff efg efi efl efo efr ega egb egc ege egf egg egi egl egn ego egr egu eia eib eic eie eif eig eii eil ein eio eir eiu ela elb elc ele elf elg eli ell eln elo elr elu en- ena enb enc ene enf eng eni enl enn eno enr enu eo- eoa eob eoc eoe eof eog eoi eol eon eoo eor eou era erb erc ere erf erg eri erl ern ero err eru eu- eua eub euc eue euf eug eui eul eun eur faa fab fac fae faf fag fai fal fan fao far fau fba fbb fbc fbe fbf fbg fbi fbl fbn fbo fbr fbu fca fcb fcc fce fcf fcg fci fcl fcn fco fcr fcu fea feb fec fee fef feg fei fel fen feo fer feu ffa ffc ffe fff ffg ffi ffl ffn ffo ffr ffu fga fgb fgc fge fgf fgg fgi fgl fgn fgr fia fib fic fie fif fig fii fil fin fir fiu fla flb flc fle flf flg fli fll fln flo flr flu fna fnb fnc fne fnf fng fni fnl fnn fnr fnu foa fob foc foe fof fog foi fol fon foo for fou fra frb frc fre frf frg fri frl frn fro frr fru fua fub fue fuf fug fui ful fun fuo fur fuu gaa gab gac gae gaf gag gai gal gan gao gar gau gba gbc gbe gbf gbg gbi gbl gbn gbo gbr gbu gca gcb gcc gce gcf gcg gci gcl gcn gco gcr gcu ge- gea geb gec gee gef geg gei gel gen geo ger geu gfa gfb gfc gfe gff gfi gfl gfo gfr gga ggb ggc ggg ggi ggn ggo ggr ggu gia gib gic gie gif gig gii gil gin gio gir giu gla glb glc gle glf glg gli gll gln glo glr glu gna gnb gnc gne gnf gni gnl gnn gno gnr gnu goa gob goc goe gof gog goi gol gon goo gor gou gra grb grc gre grf grg gri grl grn gro grr gru gu- gua gub guc gue guf gug gui gul gun guo gur guu i-f ia- iaa iab iac iae iaf iag iai ial ian iao iar iau iba ibb ibc ibe ibf ibg ibi ibl ibn ibo ibr ibu ica icb icc ice icf icg ici icl icn ico icr icu ie- iea iec iee ief ieg iei iel ien ier ifa ifb ifc ife iff ifg ifi ifl ifn ifo ifr ifu iga igb igc ige igf igg igi igl ign igo igr igu iia iib iic iie iif iii iil iin iio iir iiu il- ila ilb ilc ile ilf ilg ili ill iln ilo ilr ilu in- ina inb inc ine inf ing ini inl inn ino inr inu io- ioa iob ioc ioe iof iog ioi iol ion ioo ior iou ir- ira irb irc