-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aal aar aau ab- aba abb abc abd abe abi abl abr abu ac- aca acb acc acd ace aci acl acr acu ad- ada adb adc add ade adi adl adr adu aea aeb aec aed aee aei ael aer aeu ai- aia aib aic aid aie aii ail air aiu al- ala alb alc ald ale ali all alr alu ar- ara arb arc ard are ari arl arr aru au- aua aub auc aud aue aui aul aur b-u baa bab bac bad bae bai bal bar bau bba bbb bbc bbd bbe bbi bbl bbr bbu bca bcb bcc bcd bce bci bcl bcr bcu bda bdb bdc bdd bde bdi bdl bdr bdu be- bea beb bec bed bee bei bel ber beu bi- bia bib bic bid bie bii bil bir biu bla blb blc bld ble bli bll blr blu bra brb brd bre bri brl brr bru bua bub buc bud bue bui bul bur buu c-- caa cab cac cad cae cai cal car cau cba cbb cbc cbd cbe cbi cbl cbr cbu cca ccb ccc ccd cce cci ccl ccr ccu cda cdb cdc cdd cde cdi cdl cdr cdu ce- cea ceb cec ced cee cei cel cer ceu ci- cia cib cic cid cie cii cil cir ciu cl- cla clb clc cld cle cli cll clr clu cra crb crc crd cre cri crl crr cru cua cub cuc cud cue cui cul cur cuu daa dab dac dad dae dai dal dar dau dba dbb dbc dbd dbe dbi dbl dbr dbu dca dcb dcc dcd dce dci dcl dcr dcu dda ddb ddc ddd dde ddi ddl ddr ddu de- dea deb dec ded dee dei del der deu di- dia dib dic did die dii dil dir diu dl- dla dlb dlc dld dle dli dll dlr dlu dra drb drc drd dre dri drl drr dru dua dub duc dud due dui dul dur eaa eab eac ead eae eai eal ear eau eba ebb ebc ebd ebe ebi ebl ebr ebu ec- eca ecb ecc ecd ece eci ecl ecr ecu ed- eda edb edc edd ede edi edl edr edu eea eeb eec eed eee eel eer eia eib eic eid eie eii eil eir eiu ela elb elc eld ele eli ell elr elu era erb erc erd ere eri erl err eru eu- eua eub euc eud eue eui eul eur i-d ia- iaa iab iac iad iae iai ial iar iau iba ibb ibc ibd ibe ibi ibl ibr ibu ica icb icc icd ice ici icl icr icu ida idb idc idd ide idi idl idr idu ie- iea iec ied iee iei iel ier iia iib iic iid iie iii iil iir iiu il- ila ilb ilc ild ile ili ill ilr ilu ir- ira irb irc ird ire iri irl irr iru iu- iua iub iuc iud iue iui iur la- laa lab lac lad lae lai lal lar lau lba lbb lbc lbd lbe lbi lbl lbr lbu lca lcb lcc lcd lce lci lcl lcr lcu lda ldb ldc ldd lde ldi ldl ldr ldu lea leb lec led lee lei lel ler leu lia lib lic lid lie lii lil lir liu lla llb llc lld lle lli lll llr llu lra lrb lrc lrd lri lrr lru lua lub luc lud lue lui lul lur luu ra- raa rab rac rad rae rai ral rar rau rba rbb rbc rbd rbe rbi rbl rbr rbu rca rcb rcc rcd rce rci rcl rcr rcu rda rdb rdc rdd rde rdi rdl rdr rdu re- rea reb rec red ree rei rel rer reu ria rib ric rid rie rii ril rir rla rlc rld rle rli rll rlr rlu rra rrb rrc rrd rri rrl rrr rru rua rub ruc rud rue rui rur ruu ua- uaa uab uac uad uae uai ual uar uau uba ubb ubc ube ubi ubl ubr ubu uca ucb ucc ucd uce uci ucl ucr ucu uda udb udc udd ude udi udl udr udu uea ueb uec ued uee uei uel uer uia uib uic uid uie uii uil uir uiu ula ulb ulc uld ule uli ull ulr ulu ur- ura urb urc urd ure uri url urr uru uua uuc uue uur uuu