-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aak aal aar aau ab- aba abb abc abd abe abi abk abl abr abu ac- aca acb acc acd ace aci ack acl acr acu ad- ada adb adc add ade adi adk adl adr adu aea aeb aec aed aee aei aek ael aer aeu ai- aia aib aic aid aie aii aik ail air aiu aka akb akc akd ake aki akk akl akr aku al- ala alb alc ald ale ali alk all alr alu ar- ara arb arc ard are ari ark arl arr aru au- aua aub auc aud aue aui auk aul aur b-u baa bab bac bad bae bai bak bal bar bau bba bbb bbc bbd bbe bbi bbk bbl bbr bbu bca bcb bcc bcd bce bci bck bcl bcr bcu bda bdb bdc bdd bde bdi bdk bdl bdr bdu be- bea beb bec bed bee bei bek bel ber beu bi- bia bib bic bid bie bii bik bil bir biu bka bkb bkc bke bkk bkl bkr bla blb blc bld ble bli blk bll blr blu bra brb brd bre bri brk brl brr bru bua bub buc bud bue bui buk bul bur buu c-- caa cab cac cad cae cai cak cal car cau cba cbb cbc cbd cbe cbi cbk cbl cbr cbu cca ccb ccc ccd cce cci cck ccl ccr ccu cda cdb cdc cdd cde cdi cdk cdl cdr cdu ce- cea ceb cec ced cee cei cek cel cer ceu ci- cia cib cic cid cie cii cik cil cir ciu cka ckb ckc ckd cki cl- cla clb clc cld cle cli clk cll clr clu cra crb crc crd cre cri crk crl crr cru cua cub cuc cud cue cui cuk cul cur cuu daa dab dac dad dae dai dak dal dar dau dba dbb dbc dbd dbe dbi dbk dbl dbr dbu dca dcb dcc dcd dce dci dck dcl dcr dcu dda ddb ddc ddd dde ddi ddk ddl ddr ddu de- dea deb dec ded dee dei dek del der deu di- dia dib dic did die dii dik dil dir diu dka dkb dkc dke dki dkk dkl dkr dku dl- dla dlb dlc dld dle dli dlk dll dlr dlu dra drb drc drd dre dri drk drl drr dru dua dub duc dud due dui duk dul dur eaa eab eac ead eae eai eak eal ear eau eba ebb ebc ebd ebe ebi ebk ebl ebr ebu ec- eca ecb ecc ecd ece eci eck ecl ecr ecu ed- eda edb edc edd ede edi edk edl edr edu eea eeb eec eed eee eek eel eer eia eib eic eid eie eii eik eil eir eiu eka ekb ekc ekd eke eki ekl ekr eku ela elb elc eld ele eli elk ell elr elu era erb erc erd ere eri erk 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 ibk ibl ibr ibu ica icb icc icd ice ici ick icl icr icu ida idb idc idd ide idi idk idl idr idu ie- iea iec ied iee iei iek iel ier iia iib iic iid iie iii iil iir iiu ika ikb ikc ike iki ikk ikl ikr iku il- ila ilb ilc ild ile ili ilk ill ilr ilu ir- ira irb irc ird ire iri irk irl irr iru iu- iua iub iuc iud iue iui iur ka- kaa kab kac kad kae kai kak kal kar kau kba kbb kbc kbd kbe kbi kbk kbl kbr kbu kca kcb kcc kcd kce kci kck kcl kcr kcu kda kdb kdc kde kdk kdl kdr kdu ke- kea keb kec ked kee kei kek kel ker kia kib kic kid kie kii kik kil kir kiu kkb kkc kke kki kkk kkl kkr kku kl- kla klb klc kld kli klr klu kra krc krd kri krk krl krr kru kub kuc kud kue kui kuk kul kur kuu la- laa lab lac lad lae lai lak lal lar lau lba lbb lbc lbd lbe lbi lbk lbl lbr lbu lca lcb lcc lcd lce lci lck lcl lcr lcu lda ldb ldc ldd lde ldi ldk ldl ldr ldu lea leb lec led lee lei lek lel ler leu lia lib lic lid lie lii lik lil lir liu lka lkb lkl lkr lla llb llc lld lle lli llk lll llr llu lra lrb lrc lrd lri lrk lrr lru lua lub luc lud lue lui luk lul lur luu ra- raa rab rac rad rae rai rak ral rar rau rba rbb rbc rbd rbe rbi rbk 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 rek rel rer reu ria rib ric rid rie rii rik ril rir rkb rkc rke rkk rku rla rlc rld rle rli rll rlr rlu rra rrb rrc rrd rri rrk rrl rrr rru rua rub ruc rud rue rui ruk rur ruu ua- uaa uab uac uad uae uai uak ual uar uau uba ubb ubc ube ubi ubk ubl ubr ubu uca ucb ucc ucd uce uci uck ucl ucr ucu uda udb udc udd ude udi udk udl udr udu uea ueb uec ued uee uei uel uer uia uib uic uid uie uii uil uir uiu uka ukb ukc uke uki ukk ukl ukr uku ula ulb ulc uld ule uli ulk ull ulr ulu ur- ura urb urc urd ure uri urk url urr uru uua uuc uue uur uuu