-al -er -ic -ol a-a a-b a-c a-i aaa aab aac aae aai aal aao aar aau ab- aba abb abc abe abi abl abo abr abu ac- aca acb acc ace aci acl aco acr acu aea aeb aec aee aei ael aeo aer aeu ai- aia aib aic aie aii ail aio air aiu al- ala alb alc ale ali all alo alr alu aoa aob aoc aoe aoi aol aoo aor aou ar- ara arb arc are ari arl aro arr aru au- aua aub auc aue aui aul auo aur b-u baa bab bac bae bai bal bao bar bau bba bbb bbc bbe bbi bbl bbo bbr bbu bca bcb bcc bce bci bcl bco bcr bcu be- bea beb bec bee bei bel beo ber beu bi- bia bib bic bie bii bil bio bir biu bla blb blc ble bli bll blo blr blu boa bob boc boe boi bol boo bor bou bra brb bre bri brl bro brr bru bua bub buc bue bui bul buo bur buu c-- caa cab cac cae cai cal cao car cau cba cbb cbc cbe cbi cbl cbo cbr cbu cca ccb ccc cce cci ccl cco ccr ccu ce- cea ceb cec cee cei cel ceo cer ceu ci- cia cib cic cie cii cil cio cir ciu cl- cla clb clc cle cli cll clo clr clu co- coa cob coc coe coi col coo cor cou cra crb crc cre cri crl cro crr cru cua cub cuc cue cui cul cuo cur cuu eaa eab eac eae eai eal eao ear eau eba ebb ebc ebe ebi ebl ebo ebr ebu ec- eca ecb ecc ece eci ecl eco ecr ecu eea eeb eec eee eel eeo eer eia eib eic eie eii eil eio eir eiu ela elb elc ele eli ell elo elr elu eo- eoa eob eoc eoe eoi eol eoo eor eou era erb erc ere eri erl ero err eru eu- eua eub euc eue eui eul eur ia- iaa iab iac iae iai ial iao iar iau iba ibb ibc ibe ibi ibl ibo ibr ibu ica icb icc ice ici icl ico icr icu ie- iea iec iee iei iel ier iia iib iic iie iii iil iio iir iiu il- ila ilb ilc ile ili ill ilo ilr ilu io- ioa iob ioc ioe ioi iol ioo ior iou ir- ira irb irc ire iri irl iro irr iru iu- iua iub iuc iue iui iur la- laa lab lac lae lai lal lao lar lau lba lbb lbc lbe lbi lbl lbo lbr lbu lca lcb lcc lce lci lcl lco lcr lcu lea leb lec lee lei lel leo ler leu lia lib lic lie lii lil lio lir liu lla llb llc lle lli lll llo llr llu loa lob loc loe loi lol loo lor lou lra lrb lrc lri lro lrr lru lua lub luc lue lui lul luo lur luu o-i oaa oab oac oae oai oal oao oar oau ob- oba obb obc obe obi obl obo obr obu oc- oca ocb occ oci ocl oco ocr ocu oea oeb oec oee oei oel oeo oer oia oib oic oie oii oil oio oir oiu ola olb olc ole oli oll olo olu oo- ooa oob ooc ooi ool ooo oor or- ora orb orc ore ori orl oro orr oru ou- oua ouc oue oui oul ouo our ra- raa rab rac rae rai ral rao rar rau rba rbb rbc rbe rbi rbl rbo rbr rbu rca rcb rcc rce rci rcl rco rcr rcu re- rea reb rec ree rei rel reo rer reu ria rib ric rie rii ril rio rir rla rlc rle rli rll rlo rlr rlu roa rob roc roe roi rol roo ror rou rra rrb rrc rri rrl rrr rru rua rub ruc rue rui ruo rur ruu ua- uaa uab uac uae uai ual uao uar uau uba ubb ubc ube ubi ubl ubo ubr ubu uca ucb ucc uce uci ucl uco ucr ucu uea ueb uec uee uei uel uer uia uib uic uie uii uil uio uir uiu ula ulb ulc ule uli ull ulo ulr ulu uoa uob uoc uoe uol uoo uor ur- ura urb urc ure uri url uro urr uru uua uuc uue uur uuu