-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aaf aai aak aal aan aar aau ab- aba abb abc abd abe abf abi abk abl abn abr abu ac- aca acb acc acd ace acf aci ack acl acn acr acu ad- ada adb adc add ade adf adi adk adl adn adr adu aea aeb aec aed aee aef aei aek ael aen aer aeu af- afa afb afc afd afe aff afi afk afl afn afr afu ai- aia aib aic aid aie aif aii aik ail ain air aiu aka akb akc akd ake aki akk akl akn akr aku al- ala alb alc ald ale alf ali alk all aln alr alu an- ana anb anc and ane anf ani ank anl ann anr anu ar- ara arb arc ard are arf ari ark arl arn arr aru au- aua aub auc aud aue auf aui auk aul aun aur b-u baa bab bac bad bae baf bai bak bal ban bar bau bba bbb bbc bbd bbe bbf bbi bbk bbl bbn bbr bbu bca bcb bcc bcd bce bcf bci bck bcl bcn bcr bcu bda bdb bdc bdd bde bdf bdi bdk bdl bdr bdu be- bea beb bec bed bee bef bei bek bel ben ber beu bfa bfb bfc bfd bfe bff bfi bfl bfn bfr bfu bi- bia bib bic bid bie bif bii bik bil bin bir biu bka bkb bkc bke bkf bkk bkl bkn bkr bla blb blc bld ble blf bli blk bll bln blr blu bna bnb bnc bnd bne bnf bni bnk bnl bnn bnr bnu bra brb brd bre brf bri brk brl brn brr bru bua bub buc bud bue buf bui buk bul bun bur buu c-- caa cab cac cad cae caf cai cak cal can car cau cba cbb cbc cbd cbe cbf cbi cbk cbl cbn cbr cbu cca ccb ccc ccd cce ccf cci cck ccl ccn ccr ccu cda cdb cdc cdd cde cdf cdi cdk cdl cdn cdr cdu ce- cea ceb cec ced cee cef cei cek cel cen cer ceu cfa cfb cfc cfd cfe cff cfi cfk cfl cfn cfr cfu ci- cia cib cic cid cie cif cii cik cil cin cir ciu cka ckb ckc ckd cki cl- cla clb clc cld cle clf cli clk cll cln clr clu cn- cna cnb cnc cnd cne cnf cni cnl cnn cnr cnu cra crb crc crd cre crf cri crk crl crn crr cru cua cub cuc cud cue cuf cui cuk cul cun cur cuu daa dab dac dad dae daf dai dak dal dan dar dau dba dbb dbc dbd dbe dbf dbi dbk dbl dbn dbr dbu dca dcb dcc dcd dce dcf dci dck dcl dcn dcr dcu dda ddb ddc ddd dde ddf ddi ddk ddl ddn ddr ddu de- dea deb dec ded dee def dei dek del den der deu dfa dfb dfc dfd dfe dff dfi dfk dfl dfn dfr dfu di- dia dib dic did die dif dii dik dil din dir diu dka dkb dkc dke dki dkk dkl dkr dku dl- dla dlb dlc dld dle dlf dli dlk dll dlr dlu dna dnb dnc dnd dne dnf dni dnk dnl dnn dnr dra drb drc drd dre dri drk drl drn drr dru dua dub duc dud due duf dui duk dul dun dur eaa eab eac ead eae eaf eai eak eal ean ear eau eba ebb ebc ebd ebe ebf ebi ebk ebl ebn ebr ebu ec- eca ecb ecc ecd ece ecf eci eck ecl ecn ecr ecu ed- eda edb edc edd ede edf edi edk edl edn edr edu eea eeb eec eed eee eef eek eel een eer ef- efa efb efc efd efe eff efi efl efr eia eib eic eid eie eif eii eik eil ein eir eiu eka ekb ekc ekd eke ekf eki ekl ekr eku ela elb elc eld ele elf eli elk ell eln elr elu en- ena enb enc end ene enf eni enk enl enn enr enu era erb erc erd ere erf eri erk erl ern err eru eu- eua eub euc eud eue euf eui eul eun eur faa fab fac fad fae faf fai fak fal fan far fau fba fbb fbc fbd fbe fbf fbi fbk fbl fbn fbr fbu fca fcb fcc fcd fce fcf fci fck fcl fcn fcr fcu fda fdb fdc fdd fde fdf fdi fdk fdl fdn fdr fdu fea feb fec fed fee fef fei fek fel fen fer feu ffa ffc ffd ffe fff ffi ffk ffl ffn ffr ffu fia fib fic fid fie fif fii fik fil fin fir fiu fka fkb fkc fkf fki fkk fkl fla flb flc fld fle flf fli fll fln flr flu fna fnb fnc fnd fne fnf fni fnk fnl fnn fnr fnu fra frb frc frd fre frf fri frk frl frn frr fru fua fub fud fue fuf fui fuk ful fun fur fuu i-d i-f ia- iaa iab iac iad iae iaf iai ial ian iar iau iba ibb ibc ibd ibe ibf ibi ibk ibl ibn ibr ibu ica icb icc icd ice icf ici ick icl icn icr icu ida idb idc idd ide idf idi idk idl idn idr idu ie- iea iec ied iee ief iei iek iel ien ier ifa ifb ifc ifd ife iff ifi ifl ifn ifr ifu iia iib iic iid iie iif iii iil iin iir iiu ika ikb ikc ike ikf iki ikk ikl ikr iku il- ila ilb ilc ild ile ilf ili ilk ill iln ilr ilu in- ina inb inc ind ine inf ini ink inl inn inr inu ir- ira irb irc ird ire irf iri irk irl irn irr iru iu- iua iub iuc iud iue iui iur ka- kaa kab kac