-er -ic b-u bbb bbc bbe bbi bbl bbn bbr bbu bcb bcc bce bci bcl bcn bcr bcu bcv be- beb bec bee bei bel ben ber beu bev bi- bib bic bie bii bil bin bir biu biv blb blc ble bli bll bln blr blu blv bnb bnc bne bni bnl bnn bnr bnu bnv brb bre bri brl brn brr bru brv bub buc bue bui bul bun bur buu bvb bvc bve bvi bvl bvn bvr bvu bvv c-- cbb cbc cbe cbi cbl cbn cbr cbu cbv ccb ccc cce cci ccl ccn ccr ccu ccv ce- ceb cec cee cei cel cen cer ceu cev ci- cib cic cie cii cil cin cir ciu civ cl- clb clc cle cli cll cln clr clu clv cn- cnb cnc cne cni cnl cnn cnr cnu cnv crb crc cre cri crl crn crr cru crv cub cuc cue cui cul cun cur cuu cuv cvb cvc cve cvi cvl cvn cvr cvu cvv ebb ebc ebe ebi ebl ebn ebr ebu ebv ec- ecb ecc ece eci ecl ecn ecr ecu ecv eeb eec eee eel een eer eev eib eic eie eii eil ein eir eiu eiv elb elc ele eli ell eln elr elu elv en- enb enc ene eni enl enn enr enu env erb erc ere eri erl ern err eru erv eu- eub euc eue eui eul eun eur euv evb evc eve evi evl evn evr evv i-v ibb ibc ibe ibi ibl ibn ibr ibu ibv icb icc ice ici icl icn icr icu icv ie- iec iee iei iel ien ier iev iib iic iie iii iil iin iir iiu il- ilb ilc ile ili ill iln ilr ilu ilv in- inb inc ine ini inl inn inr inu inv ir- irb irc ire iri irl irn irr iru irv iu- iub iuc iue iui iur ivb ivc ive ivi ivl ivr ivu ivv lbb lbc lbe lbi lbl lbr lbu lbv lcb lcc lce lci lcl lcn lcr lcu lcv leb lec lee lei lel len ler leu lev lib lic lie lii lil lin lir liu liv llb llc lle lli lll lln llr llu llv lnb lnc lne lni lnl lnn lnr lnu lrb lrc lri lrn lrr lru lrv lub luc lue lui lul lun lur luu luv lvb lvc lve lvi lvl lvn lvr lvv n-i nbb nbc nbe nbi nbl nbn nbr nbu nbv ncb ncc nce nci ncl ncn ncr ncu ncv ne- neb nec nee nei nel nen ner neu nev nib nic nie nii nil nin nir niu niv nlb nlc nle nli nll nln nlr nlu nlv nnb nnc nne nni nnl nnn nnu nnv nrb nrc nre nri nrl nrn nrr nru nrv nub nuc nue nui nul nun nur nuu nuv nvb nvc nve nvi nvl nvn nvu nvv rbb rbc rbe rbi rbl rbn rbr rbu rcb rcc rce rci rcl rcn rcr rcu rcv re- reb rec ree rei rel ren rer reu rev rib ric rie rii ril rin rir riv rlc rle rli rll rln rlr rlu rnb rnc rni rnn rnr rnu rnv rrb rrc rri rrl rrn rrr rru rub ruc rue rui run rur ruu ruv rvb rvc rve rvi rvl rvn rvr rvu rvv ubb ubc ube ubi ubl ubn ubr ubu ubv ucb ucc uce uci ucl ucn ucr ucu ucv ueb uec uee uei uel uen uer uib uic uie uii uil uin uir uiu ulb ulc ule uli ull uln ulr ulu ulv un- unb unc une uni unl unn unr unu unv ur- urb urc ure uri url urn urr uru uuc uue uun uur uuu uvb uvc uve uvl uvu uvv v-e vbc vbi vbl vbr vbv vcc vce vci vcl vcn vcr vcu veb vec vee vei vel ven ver veu vi- vib vic vie vii vil vin vir viu viv vl- vlb vlc vle vll vlv vn- vni vnl vnr vnu vnv vrb vrc vre vri vrn vrr vru vue vul vur vuv vvb vvc vvi vvr vvv