-al -er -ic -ol -up a-a a-b a-c a-i aaa aab aac aae aai aal aao aap aar aau ab- aba abb abc abe abi abl abo abp abr abu ac- aca acb acc ace aci acl aco acp acr acu aea aeb aec aee aei ael aeo aep aer aeu ai- aia aib aic aie aii ail aio aip air aiu al- ala alb alc ale ali all alo alp alr alu aoa aob aoc aoe aoi aol aoo aop aor aou ap- apa apb apc ape api apl apo app apr apu ar- ara arb arc are ari arl aro arp arr aru au- aua aub auc aue aui aul auo aup aur b-p b-u baa bab bac bae bai bal bao bap bar bau bba bbb bbc bbe bbi bbl bbo bbp bbr bbu bca bcb bcc bce bci bcl bco bcp bcr bcu be- bea beb bec bee bei bel beo bep ber beu bi- bia bib bic bie bii bil bio bip bir biu bla blb blc ble bli bll blo blp blr blu boa bob boc boe boi bol boo bop bor bou bpa bpb bpc bpe bpi bpl bpo bpp bpr bpu bra brb bre bri brl bro brp brr bru bua bub buc bue bui bul buo bup bur buu c-- caa cab cac cae cai cal cao cap car cau cba cbb cbc cbe cbi cbl cbo cbp cbr cbu cca ccb ccc cce cci ccl cco ccp ccr ccu ce- cea ceb cec cee cei cel ceo cep cer ceu ci- cia cib cic cie cii cil cio cip cir ciu cl- cla clb clc cle cli cll clo clp clr clu co- coa cob coc coe coi col coo cop cor cou cpa cpb cpc cpe cpi cpl cpo cpp cpr cpu cra crb crc cre cri crl cro crp crr cru cua cub cuc cue cui cul cuo cup cur cuu eaa eab eac eae eai eal eao eap ear eau eba ebb ebc ebe ebi ebl ebo ebp ebr ebu ec- eca ecb ecc ece eci ecl eco ecr ecu eea eeb eec eee eel eeo eep eer eia eib eic eie eii eil eio eip eir eiu ela elb elc ele eli ell elo elp elr elu eo- eoa eob eoc eoe eoi eol eoo eop eor eou ep- epa epb epc epe epi epl epo epp epr epu era erb erc ere eri erl ero erp err eru eu- eua eub euc eue eui eul eup eur ia- iaa iab iac iae iai ial iao iap iar iau iba ibb ibc ibe ibi ibl ibo ibp ibr ibu ica icb icc ice ici icl ico icp icr icu ie- iea iec iee iei iel iep ier iia iib iic iie iii iil iio iip iir iiu il- ila ilb ilc ile ili ill ilo ilp ilr ilu io- ioa iob ioc ioe ioi iol ioo iop ior iou ipa ipb ipc ipe ipi ipl ipo ipp ipr ipu ir- ira irb irc ire iri irl iro irp irr iru iu- iua iub iuc iue iui iup iur l-p la- laa lab lac lae lai lal lao lap lar lau lba lbb lbc lbe lbi lbl lbo lbp lbr lbu lca lcb lcc lce lci lcl lco lcp lcr lcu lea leb lec lee lei lel leo lep ler leu lia lib lic lie lii lil lio lip lir liu lla llb llc lle lli lll llo llp llr llu loa lob loc loe loi lol loo lop lor lou lpa lpb lpc lpe lpi lpl lpo lpp lpr lpu lra lrb lrc lri lro lrp lrr lru lua lub luc lue lui lul luo lup lur luu o-i oaa oab oac oae oai oal oao oap oar oau ob- oba obb obc obe obi obl obo obp obr obu oc- oca ocb occ oci ocl oco ocp ocr ocu oea oeb oec oee oei oel oeo oep oer oia oib oic oie oii oil oio oip oir oiu ola olb olc ole oli oll olo olp olu oo- ooa oob ooc ooi ool ooo oop oor op- opa opb opc ope opi opl opo opp opr or- ora orb orc ore ori orl oro orp orr oru ou- oua ouc oue oui oul ouo oup our p-p paa pab pac pae pai pal pao pap par pau pba pbb pbc pbe pbi pbl pbo pbp pbr pbu pca pcb pcc pce pci pcl pco pcp pcr pcu pea peb pec pee pei pel peo pep per peu pia pib pic pie pii pil pio pip pir piu pla plb plc ple pli pll plo plp plr plu poa pob poc poe poi pol poo pop por pou ppa ppb ppc ppe ppi ppl ppo ppp ppr ppu pra prb prc pre pri prl pro prp prr pru pua pub puc pue pui pul pup pur puu ra- raa rab rac rae rai ral rao rap rar rau rba rbb rbc rbe rbi rbl rbo rbp rbr rbu rca rcb rcc rce rci rcl rco rcp rcr rcu re- rea reb rec ree rei rel reo rep rer reu ria rib ric rie rii ril rio rip rir rla rlc rle rli rll rlo rlp rlr rlu roa rob roc roe roi rol roo rop ror rou rpa rpb rpc rpe rpi rpl rpo rpp rpr rpu rra rrb rrc rri rrl rrp rrr rru rua rub ruc rue rui ruo rup rur ruu ua- uaa uab uac uae uai ual uao uap uar uau uba ubb ubc ube ubi ubl ubo ubp ubr ubu uca ucb ucc uce uci ucl uco ucp ucr ucu uea ueb uec uee uei uel uep uer uia uib uic uie uii uil uio uip uir uiu ula ulb ulc ule uli ull ulo ulp ulr ulu uoa uob uoc uoe uol uoo uop uor up- upa upb upc upe upi upo upp upr upu ur- ura urb urc ure