-al -er -ic -ol a-a a-b a-c a-i a-t aaa aab aac aae aai aak aal aao aar aat aau ab- aba abb abc abe abi abk abl abo abr abt abu ac- aca acb acc ace aci ack acl aco acr act acu aea aeb aec aee aei aek ael aeo aer aet aeu ai- aia aib aic aie aii aik ail aio air ait aiu aka akb akc ake aki akk akl ako akr aku al- ala alb alc ale ali alk all alo alr alt alu aoa aob aoc aoe aoi aok aol aoo aor aot aou ar- ara arb arc are ari ark arl aro arr art aru at- ata atb atc ate ati atl ato atr att atu au- aua aub auc aue aui auk aul auo aur aut b-u baa bab bac bae bai bak bal bao bar bat bau bba bbb bbc bbe bbi bbk bbl bbo bbr bbt bbu bca bcb bcc bce bci bck bcl bco bcr bct bcu be- bea beb bec bee bei bek bel beo ber bet beu bi- bia bib bic bie bii bik bil bio bir bit biu bka bkb bkc bke bkk bkl bko bkr bkt bla blb blc ble bli blk bll blo blr blt blu boa bob boc boe boi bok bol boo bor bot bou bra brb bre bri brk brl bro brr brt bru bta btb btc bte bti btk btl bto btr btt btu bua bub buc bue bui buk bul buo bur but buu c-- caa cab cac cae cai cak cal cao car cat cau cba cbb cbc cbe cbi cbk cbl cbo cbr cbt cbu cca ccb ccc cce cci cck ccl cco ccr cct ccu ce- cea ceb cec cee cei cek cel ceo cer cet ceu ci- cia cib cic cie cii cik cil cio cir cit ciu cka ckb ckc cki cko ckt cl- cla clb clc cle cli clk cll clo clr clt clu co- coa cob coc coe coi cok col coo cor cot cou cra crb crc cre cri crk crl cro crr crt cru cta ctb ctc cte cti ctk ctl cto ctr ctt ctu cua cub cuc cue cui cuk cul cuo cur cut cuu eaa eab eac eae eai eak eal eao ear eat eau eba ebb ebc ebe ebi ebk ebl ebo ebr ebt ebu ec- eca ecb ecc ece eci eck ecl eco ecr ect ecu eea eeb eec eee eek eel eeo eer eet eia eib eic eie eii eik eil eio eir eit eiu eka ekb ekc eke eki ekl eko ekr ekt eku ela elb elc ele eli elk ell elo elr elt elu eo- eoa eob eoc eoe eoi eok eol eoo eor eot eou era erb erc ere eri erk erl ero err ert eru eta etb etc ete eti etk etl eto etr ett etu eu- eua eub euc eue eui eul eur eut ia- iaa iab iac iae iai ial iao iar iat iau iba ibb ibc ibe ibi ibk ibl ibo ibr ibt ibu ica icb icc ice ici ick icl ico icr ict icu ie- iea iec iee iei iek iel ier iet iia iib iic iie iii iil iio iir iit iiu ika ikb ikc ike iki ikk ikl iko ikr ikt iku il- ila ilb ilc ile ili ilk ill ilo ilr ilt ilu io- ioa iob ioc ioe ioi iol ioo ior iot iou ir- ira irb irc ire iri irk irl iro irr irt iru ita itb itc ite iti itk itl ito itt itu iu- iua iub iuc iue iui iur iut k-t ka- kaa kab kac kae kai kak kal kao kar kat kau kba kbb kbc kbe kbi kbk kbl kbo kbr kbu kca kcb kcc kce kci kck kcl kcr kct kcu ke- kea keb kec kee kei kek kel keo ker ket kia kib kic kie kii kik kil kio kir kit kiu kkb kkc kke kki kkk kkl kkr kkt kku kl- kla klb klc kli klo klr klt klu koa kob koc koe koi kok kol koo kor kot kou kra krc kri krk krl kro krr krt kru kta ktb ktc kte ktk ktl kto ktr ktt ktu kub kuc kue kui kuk kul kur kut kuu la- laa lab lac lae lai lak lal lao lar lat lau lba lbb lbc lbe lbi lbk lbl lbo lbr lbt lbu lca lcb lcc lce lci lck lcl lco lcr lct lcu lea leb lec lee lei lek lel leo ler let leu lia lib lic lie lii lik lil lio lir lit liu lka lkb lkl lkr lkt lla llb llc lle lli llk lll llo llr llt llu loa lob loc loe loi lok lol loo lor lot lou lra lrb lrc lri lrk lro lrr lrt lru lta ltb ltc lte lti ltk ltl lto ltr ltt ltu lua lub luc lue lui luk lul luo lur lut luu o-i oaa oab oac oae oai oak oal oao oar oat oau ob- oba obb obc obe obi obk obl obo obr obt obu oc- oca ocb occ oci ock ocl oco ocr oct ocu oea oeb oec oee oei oel oeo oer oet oia oib oic oie oii oik oil oio oir oit oiu oka okb okc oke oki okk okl oko okr oku ola olb olc ole oli olk oll olo olt olu oo- ooa oob ooc ooi ook ool ooo oor oot or- ora orb orc ore ori ork orl oro orr ort oru ot- ota otb otc ote oti otk otl oto otr ott otu ou- oua ouc oue oui ouk oul ouo our out ra- raa rab rac rae rai rak ral rao rar rat rau rba rbb rbc rbe rbi rbk rbl rbo rbr rbt rbu rca rcb rcc rce rci rcl rco rcr rct rcu re- rea reb rec ree rei rek rel reo rer ret reu