-al -er -ic -ol -up a-a a-b a-c a-i aaa aab aac aad aae aai aak aal aao aap aar aau ab- aba abb abc abd abe abi abk abl abo abp abr abu ac- aca acb acc acd ace aci ack acl aco acp acr acu ad- ada adb adc add ade adi adk adl ado adp adr adu aea aeb aec aed aee aei aek ael aeo aep aer aeu ai- aia aib aic aid aie aii aik ail aio aip air aiu aka akb akc akd ake aki akk akl ako akp akr aku al- ala alb alc ald ale ali alk all alo alp alr alu aoa aob aoc aod aoe aoi aok aol aoo aop aor aou ap- apa apb apc apd ape api apk apl apo app apr apu ar- ara arb arc ard are ari ark arl aro arp arr aru au- aua aub auc aud aue aui auk aul auo aup aur b-p b-u baa bab bac bad bae bai bak bal bao bap bar bau bba bbb bbc bbd bbe bbi bbk bbl bbo bbp bbr bbu bca bcb bcc bcd bce bci bck bcl bco bcp bcr bcu bda bdb bdc bdd bde bdi bdk bdl bdo bdp bdr bdu be- bea beb bec bed bee bei bek bel beo bep ber beu bi- bia bib bic bid bie bii bik bil bio bip bir biu bka bkb bkc bke bkk bkl bko bkp bkr bla blb blc bld ble bli blk bll blo blp blr blu boa bob boc bod boe boi bok bol boo bop bor bou bpa bpb bpc bpd bpe bpi bpl bpo bpp bpr bpu bra brb brd bre bri brk brl bro brp brr bru bua bub buc bud bue bui buk bul buo bup bur buu c-- caa cab cac cad cae cai cak cal cao cap car cau cba cbb cbc cbd cbe cbi cbk cbl cbo cbp cbr cbu cca ccb ccc ccd cce cci cck ccl cco ccp ccr ccu cda cdb cdc cdd cde cdi cdk cdl cdo cdp cdr cdu ce- cea ceb cec ced cee cei cek cel ceo cep cer ceu ci- cia cib cic cid cie cii cik cil cio cip cir ciu cka ckb ckc ckd cki cko cl- cla clb clc cld cle cli clk cll clo clp clr clu co- coa cob coc cod coe coi cok col coo cop cor cou cpa cpb cpc cpd cpe cpi cpk cpl cpo cpp cpr cpu cra crb crc crd cre cri crk crl cro crp crr cru cua cub cuc cud cue cui cuk cul cuo cup cur cuu daa dab dac dad dae dai dak dal dao dap dar dau dba dbb dbc dbd dbe dbi dbk dbl dbo dbp dbr dbu dca dcb dcc dcd dce dci dck dcl dco dcp dcr dcu dda ddb ddc ddd dde ddi ddk ddl ddo ddp ddr ddu de- dea deb dec ded dee dei dek del deo dep der deu di- dia dib dic did die dii dik dil dio dip dir diu dka dkb dkc dke dki dkk dkl dko dkp dkr dku dl- dla dlb dlc dld dle dli dlk dll dlo dlp dlr dlu doa dob doc dod doe doi dok dol doo dop dor dou dpa dpb dpc dpd dpe dpi dpk dpl dpo dpp dpr dpu dra drb drc drd dre dri drk drl dro drp drr dru dua dub duc dud due dui duk dul duo dup dur eaa eab eac ead eae eai eak eal eao eap ear eau eba ebb ebc ebd ebe ebi ebk ebl ebo ebp ebr ebu ec- eca ecb ecc ecd ece eci eck ecl eco ecr ecu ed- eda edb edc edd ede edi edk edl edo edp edr edu eea eeb eec eed eee eek eel eeo eep eer eia eib eic eid eie eii eik eil eio eip eir eiu eka ekb ekc ekd eke eki ekl eko ekp ekr eku ela elb elc eld ele eli elk ell elo elp elr elu eo- eoa eob eoc eod eoe eoi eok eol eoo eop eor eou ep- epa epb epc epd epe epi epl epo epp epr epu era erb erc erd ere eri erk erl ero erp err eru eu- eua eub euc eud eue eui eul eup eur i-d ia- iaa iab iac iad iae iai ial iao iap iar iau iba ibb ibc ibd ibe ibi ibk ibl ibo ibp ibr ibu ica icb icc icd ice ici ick icl ico icp icr icu ida idb idc idd ide idi idk idl ido idp idr idu ie- iea iec ied iee iei iek iel iep ier iia iib iic iid iie iii iil iio iip iir iiu ika ikb ikc ike iki ikk ikl iko ikr iku il- ila ilb ilc ild ile ili ilk ill ilo ilp ilr ilu io- ioa iob ioc iod ioe ioi iol ioo iop ior iou ipa ipb ipc ipd ipe ipi ipl ipo ipp ipr ipu ir- ira irb irc ird ire iri irk irl iro irp irr iru iu- iua iub iuc iud iue iui iup iur ka- kaa kab kac kad kae kai kak kal kao kap kar kau kba kbb kbc kbd kbe kbi kbk kbl kbo kbp kbr kbu kca kcb kcc kcd kce kci kck kcl kcp kcr kcu kda kdb kdc kde kdk kdl kdo kdp kdr kdu ke- kea keb kec ked kee kei kek kel keo kep ker kia kib kic kid kie kii kik kil kio kip kir kiu kkb kkc kke kki kkk kkl kkp kkr kku kl- kla klb klc kld kli klo klr klu koa kob koc kod koe koi kok kol koo kop kor kou kpa kpc kpd kpe kpi kpk kpl kpo kpp kpr kpu kra krc krd kri krk krl kro krp krr kru kub kuc kud kue kui kuk kul kup kur