-al -er -ol a-a a-b a-t aaa aab aae aak aal aao aar aat aau ab- aba abb abe abk abl abo abr abt abu aea aeb aee aek ael aeo aer aet aeu aka akb ake akk akl ako akr aku al- ala alb ale alk all alo alr alt alu aoa aob aoe aok aol aoo aor aot aou ar- ara arb are ark arl aro arr art aru at- ata atb ate atl ato atr att atu au- aua aub aue auk aul auo aur aut b-u baa bab bae bak bal bao bar bat bau bba bbb bbe bbk bbl bbo bbr bbt bbu be- bea beb bee bek bel beo ber bet beu bka bkb bke bkk bkl bko bkr bkt bla blb ble blk bll blo blr blt blu boa bob boe bok bol boo bor bot bou bra brb bre brk brl bro brr brt bru bta btb bte btk btl bto btr btt btu bua bub bue buk bul buo bur but buu eaa eab eae eak eal eao ear eat eau eba ebb ebe ebk ebl ebo ebr ebt ebu eea eeb eee eek eel eeo eer eet eka ekb eke ekl eko ekr ekt eku ela elb ele elk ell elo elr elt elu eo- eoa eob eoe eok eol eoo eor eot eou era erb ere erk erl ero err ert eru eta etb ete etk etl eto etr ett etu eu- eua eub eue eul eur eut k-t ka- kaa kab kae kak kal kao kar kat kau kba kbb kbe kbk kbl kbo kbr kbu ke- kea keb kee kek kel keo ker ket kkb kke kkk kkl kkr kkt kku kl- kla klb klo klr klt klu koa kob koe kok kol koo kor kot kou kra krk krl kro krr krt kru kta ktb kte ktk ktl kto ktr ktt ktu kub kue kuk kul kur kut kuu la- laa lab lae lak lal lao lar lat lau lba lbb lbe lbk lbl lbo lbr lbt lbu lea leb lee lek lel leo ler let leu lka lkb lkl lkr lkt lla llb lle llk lll llo llr llt llu loa lob loe lok lol loo lor lot lou lra lrb lrk lro lrr lrt lru lta ltb lte ltk ltl lto ltr ltt ltu lua lub lue luk lul luo lur lut luu oaa oab oae oak oal oao oar oat oau ob- oba obb obe obk obl obo obr obt obu oea oeb oee oel oeo oer oet oka okb oke okk okl oko okr oku ola olb ole olk oll olo olt olu oo- ooa oob ook ool ooo oor oot or- ora orb ore ork orl oro orr ort oru ot- ota otb ote otk otl oto otr ott otu ou- oua oue ouk oul ouo our out ra- raa rab rae rak ral rao rar rat rau rba rbb rbe rbk rbl rbo rbr rbt rbu re- rea reb ree rek rel reo rer ret reu rkb rke rkk rko rkt rku rla rle rll rlo rlr rlt rlu roa rob roe rok rol roo ror rot rou rra rrb rrk rrl rrr rrt rru rta rtb rte rtk rtl rto rtr rtt rtu rua rub rue ruk ruo rur rut ruu taa tab tae tak tal tao tar tat tau tba tbb tbe tbk tbl tbo tbr tbt tbu te- tea teb tee tek tel teo ter tet teu tka tkb tke tkk tkl tko tkr tkt tla tle tlk tll tlo tlr tlt tlu to- toa tob toe tok tol too tor tot tou tra trb tre trk trl tro trr trt tru tta ttb tte ttk ttl tto ttr ttt ttu tua tub tue tuk tul tuo tur tut tuu ua- uaa uab uae uak ual uao uar uat uau uba ubb ube ubk ubl ubo ubr ubt ubu uea ueb uee uel uer uet uka ukb uke ukk ukl ukr uku ula ulb ule ulk ull ulo ulr ult ulu uoa uob uoe uok uol uoo uor uot ur- ura urb ure urk url uro urr urt uru uta utb ute utk utl uto utr utt utu uua uue uur uut uuu