-er -ic b-u bbb bbc bbe bbi bbl bbq bbr bbu bcb bcc bce bci bcl bcq bcr bcu bcv be- beb bec bee bei bel beq ber beu bev bi- bib bic bie bii bil bir biu biv blb blc ble bli bll blq blr blu blv bqc bqe brb bre bri brl brq brr bru brv bub buc bue bui bul bur buu bvb bvc bve bvi bvl bvr bvu bvv c-- cbb cbc cbe cbi cbl cbq cbr cbu cbv ccb ccc cce cci ccl ccr ccu ccv ce- ceb cec cee cei cel ceq cer ceu cev ci- cib cic cie cii cil ciq cir ciu civ cl- clb clc cle cli cll clr clu clv cqb cqc cqi cql crb crc cre cri crl crq crr cru crv cub cuc cue cui cul cuq cur cuu cuv cvb cvc cve cvi cvl cvr cvu cvv ebb ebc ebe ebi ebl ebq ebr ebu ebv ec- ecb ecc ece eci ecl ecq ecr ecu ecv eeb eec eee eel eer eev eib eic eie eii eil eir eiu eiv elb elc ele eli ell elr elu elv eqe eqq equ eqv erb erc ere eri erl erq err eru erv eu- eub euc eue eui eul eur euv evb evc eve evi evl evr evv i-v ibb ibc ibe ibi ibl ibr ibu ibv icb icc ice ici icl icq icr icu icv ie- iec iee iei iel ier iev iib iic iie iii iil iir iiu il- ilb ilc ile ili ill ilq ilr ilu ilv iqc iqe iqu ir- irb irc ire iri irl irq 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 lcq lcr lcu lcv leb lec lee lei lel leq ler leu lev lib lic lie lii lil liq lir liu liv llb llc lle lli lll llq llr llu llv lqr lrb lrc lri lrr lru lrv lub luc lue lui lul lur luu luv lvb lvc lve lvi lvl lvr lvv qbc qbe qbq qcc qci qcl qec qee qic qie qil qir qiu qqq qqu qrb qrc qre qri qrl qru qu- que qui qul qur qv- qvc qve rbb rbc rbe rbi rbl rbr rbu rcb rcc rce rci rcl rcr rcu rcv re- reb rec ree rei rel req rer reu rev rib ric rie rii ril riq rir riv rlc rle rli rll rlr rlu rqc rrb rrc rri rrl rrq rrr rru rub ruc rue rui rur ruu ruv rvb rvc rve rvi rvl rvr rvu rvv ubb ubc ube ubi ubl ubr ubu ubv ucb ucc uce uci ucl ucr ucu ucv ueb uec uee uei uel uer uib uic uie uii uil uiq uir uiu ulb ulc ule uli ull ulr ulu ulv ur- urb urc ure uri url urr uru uuc uue uur uuu uvb uvc uve uvl uvu uvv v-e vbc vbi vbl vbr vbv vcc vce vci vcl vcr vcu veb vec vee vei vel ver veu vi- vib vic vie vii vil vir viu viv vl- vlb vlc vle vll vlv vrb vrc vre vri vrr vru vue vul vur vuv vvb vvc vvi vvr vvv