-al -ol a-a a-b a-t aaa aab aal aan aao aar aat aau ab- aba abb abl abn abo abr abt abu al- ala alb all aln alo alr alt alu an- ana anb anl ann ano anr ant anu aoa aob aol aon aoo aor aot aou ar- ara arb arl arn aro arr art aru at- ata atb atl atn ato atr att atu au- aua aub aul aun auo aur aut b-u baa bab bal ban bao bar bat bau bba bbb bbl bbn bbo bbr bbt bbu bla blb bll bln blo blr blt blu bna bnb bnl bnn bno bnr bnt bnu boa bob bol bon boo bor bot bou bra brb brl brn bro brr brt bru bta btb btl btn bto btr btt btu bua bub bul bun buo bur but buu la- laa lab lal lan lao lar lat lau lba lbb lbl lbo lbr lbt lbu lla llb lll lln llo llr llt llu lna lnb lnl lnn lno lnr lnt lnu loa lob lol lon loo lor lot lou lra lrb lrn lro lrr lrt lru lta ltb ltl lto ltr ltt ltu lua lub lul lun luo lur lut luu naa nab nal nan nao nar nat nau nba nbb nbl nbn nbo nbr nbt nbu nla nlb nll nln nlo nlr nlt nlu nna nnb nnl nnn nno nnt nnu no- noa nob nol non noo nor not nou nra nrb nrl nrn nro nrr nrt nru nta ntb ntn nto ntr ntt ntu nua nub nul nun nuo nur nut nuu oaa oab oal oan oao oar oat oau ob- oba obb obl obn obo obr obt obu ola olb oll oln olo olt olu on- ona onb onl onn ono onr ont onu oo- ooa oob ool oon ooo oor oot or- ora orb orl orn oro orr ort oru ot- ota otb otl otn oto otr ott otu ou- oua oul oun ouo our out ra- raa rab ral ran rao rar rat rau rba rbb rbl rbn rbo rbr rbt rbu rla rll rln rlo rlr rlt rlu rna rnb rnn rno rnr rnt rnu roa rob rol ron roo ror rot rou rra rrb rrl rrn rrr rrt rru rta rtb rtl rtn rto rtr rtt rtu rua rub run ruo rur rut ruu taa tab tal tan tao tar tat tau tba tbb tbl tbn tbo tbr tbt tbu tla tll tln tlo tlr tlt tlu tna tnb tnl tnn tno tnr tnt to- toa tob tol ton too tor tot tou tra trb trl trn tro trr trt tru tta ttb ttl ttn tto ttr ttt ttu tua tub tul tun tuo tur tut tuu ua- uaa uab ual uan uao uar uat uau uba ubb ubl ubn ubo ubr ubt ubu ula ulb ull uln ulo ulr ult ulu un- una unb unl unn uno unr unt unu uoa uob uol uon uoo uor uot ur- ura urb url urn uro urr urt uru uta utb utl utn uto utr utt utu uua uun uur uut uuu