-al -er -ic -ol a-a a-b a-c a-i aaa aab aac aae aag aai aal aan aao aar aau ab- aba abb abc abe abg abi abl abn abo abr abu ac- aca acb acc ace acg aci acl acn aco acr acu aea aeb aec aee aeg aei ael aen aeo aer aeu ag- aga agb agc age agg agi agl agn ago agr agu ai- aia aib aic aie aig aii ail ain aio air aiu al- ala alb alc ale alg ali all aln alo alr alu an- ana anb anc ane ang ani anl ann ano anr anu aoa aob aoc aoe aog aoi aol aon aoo aor aou ar- ara arb arc are arg ari arl arn aro arr aru au- aua aub auc aue aug aui aul aun auo aur b-u baa bab bac bae bag bai bal ban bao bar bau bba bbb bbc bbe bbg bbi bbl bbn bbo bbr bbu bca bcb bcc bce bcg bci bcl bcn bco bcr bcu be- bea beb bec bee beg bei bel ben beo ber beu bga bgb bgc bge bgg bgi bgl bgn bgo bgr bgu bi- bia bib bic bie big bii bil bin bio bir biu bla blb blc ble blg bli bll bln blo blr blu bna bnb bnc bne bng bni bnl bnn bno bnr bnu boa bob boc boe bog boi bol bon boo bor bou bra brb bre brg bri brl brn bro brr bru bua bub buc bue bug bui bul bun buo bur buu c-- caa cab cac cae cag cai cal can cao car cau cba cbb cbc cbe cbg cbi cbl cbn cbo cbr cbu cca ccb ccc cce ccg cci ccl ccn cco ccr ccu ce- cea ceb cec cee ceg cei cel cen ceo cer ceu cga cgb cgc cge cgg cgi cgl cgn cgo cgr cgu ci- cia cib cic cie cig cii cil cin cio cir ciu cl- cla clb clc cle clg cli cll cln clo clr clu cn- cna cnb cnc cne cng cni cnl cnn cno cnr cnu co- coa cob coc coe cog coi col con coo cor cou cra crb crc cre crg cri crl crn cro crr cru cua cub cuc cue cug cui cul cun cuo cur cuu eaa eab eac eae eag eai eal ean eao ear eau eba ebb ebc ebe ebg ebi ebl ebn ebo ebr ebu ec- eca ecb ecc ece ecg eci ecl ecn eco ecr ecu eea eeb eec eee eeg eel een eeo eer ega egb egc ege egg egi egl egn ego egr egu eia eib eic eie eig eii eil ein eio eir eiu ela elb elc ele elg eli ell eln elo elr elu en- ena enb enc ene eng eni enl enn eno enr enu eo- eoa eob eoc eoe eog eoi eol eon eoo eor eou era erb erc ere erg eri erl ern ero err eru eu- eua eub euc eue eug eui eul eun eur gaa gab gac gae gag gai gal gan gao gar gau gba gbc gbe gbg gbi gbl gbn gbo gbr gbu gca gcb gcc gce gcg gci gcl gcn gco gcr gcu ge- gea geb gec gee geg gei gel gen geo ger geu gga ggb ggc ggg ggi ggn ggo ggr ggu gia gib gic gie gig gii gil gin gio gir giu gla glb glc gle glg gli gll gln glo glr glu gna gnb gnc gne gni gnl gnn gno gnr gnu goa gob goc goe gog goi gol gon goo gor gou gra grb grc gre grg gri grl grn gro grr gru gu- gua gub guc gue gug gui gul gun guo gur guu ia- iaa iab iac iae iag iai ial ian iao iar iau iba ibb ibc ibe ibg ibi ibl ibn ibo ibr ibu ica icb icc ice icg ici icl icn ico icr icu ie- iea iec iee ieg iei iel ien ier iga igb igc ige igg igi igl ign igo igr igu iia iib iic iie iii iil iin iio iir iiu il- ila ilb ilc ile ilg ili ill iln ilo ilr ilu in- ina inb inc ine ing ini inl inn ino inr inu io- ioa iob ioc ioe iog ioi iol ion ioo ior iou ir- ira irb irc ire irg iri irl irn iro irr iru iu- iua iub iuc iue iug iui iur la- laa lab lac lae lag lai lal lan lao lar lau lba lbb lbc lbe lbg lbi lbl lbo lbr lbu lca lcb lcc lce lcg lci lcl lcn lco lcr lcu lea leb lec lee leg lei lel len leo ler leu lga lgb lgc lge lgg lgi lgl lgn lgo lgr lgu lia lib lic lie lig lii lil lin lio lir liu lla llb llc lle llg lli lll lln llo llr llu lna lnb lnc lne lng lni lnl lnn lno lnr lnu loa lob loc loe log loi lol lon loo lor lou lra lrb lrc lrg lri lrn lro lrr lru lua lub luc lue lug lui lul lun luo lur luu n-i naa nab nac nae nag nai nal nan nao nar nau nba nbb nbc nbe nbg nbi nbl nbn nbo nbr nbu nca ncb ncc nce ncg nci ncl ncn nco ncr ncu ne- nea neb nec nee neg nei nel nen neo ner neu nga ngb ngc nge ngg ngi ngl ngn ngo ngu nia nib nic nie nig nii nil nin nio nir niu nla nlb nlc nle nlg nli nll nln nlo nlr nlu nna nnb nnc nne nng nni nnl nnn nno nnu no- noa nob noc noe nog noi nol non noo nor nou nra nrb nrc nre nrg nri nrl nrn nro nrr nru nua nub nuc nue nug nui nul nun nuo nur nuu o-i oaa oab oac oae oag oai oal oan oao oar oau ob-