-al -ol -th a-a a-b a-t aaa aab aah aal aao aar aat aau ab- aba abb abh abl abo abr abt abu aha ahb ahh ahl aho ahr aht ahu al- ala alb alh all alo alr alt alu aoa aob aoh aol aoo aor aot aou ar- ara arb arh arl aro arr art aru at- ata atb ath atl ato atr att atu au- aua aub auh aul auo aur aut b-u baa bab bah bal bao bar bat bau bba bbb bbh bbl bbo bbr bbt bbu bha bhb bhh bhl bho bhr bht bhu bla blb blh bll blo blr blt blu boa bob boh bol boo bor bot bou bra brb brh brl bro brr brt bru bta btb bth btl bto btr btt btu bua bub buh bul buo bur but buu haa hab hah hal hao har hat hau hba hbb hbh hbl hbo hbr hbt hbu hha hhb hhh hhl hho hhr hht hhu hla hlb hlh hll hlo hlr hlt hlu hoa hob hoh hol hoo hor hot hou hr- hra hrb hrh hrl hro hrr hrt hru hta htb hth htl hto htr htt hua hub huh hul huo hur hut huu la- laa lab lah lal lao lar lat lau lba lbb lbh lbl lbo lbr lbt lbu lha lhb lhh lho lhr lht lhu lla llb lll llo llr llt llu loa lob loh lol loo lor lot lou lra lrb lrh lro lrr lrt lru lta ltb lth ltl lto ltr ltt ltu lua lub luh lul luo lur lut luu oaa oab oah oal oao oar oat oau ob- oba obb obh obl obo obr obt obu oha ohh ohl oho ohr oht ohu ola olb oll olo olt olu oo- ooa oob ooh ool ooo oor oot or- ora orb orh orl oro orr ort oru ot- ota otb oth otl oto otr ott otu ou- oua ouh oul ouo our out ra- raa rab rah ral rao rar rat rau rba rbb rbh rbl rbo rbr rbt rbu rh- rha rhb rhh rhl rho rhr rht rhu rla rlh rll rlo rlr rlt rlu roa rob roh rol roo ror rot rou rra rrb rrh rrl rrr rrt rru rta rtb rtl rto rtr rtt rtu rua rub ruh ruo rur rut ruu taa tab tah tal tao tar tat tau tba tbb tbh tbl tbo tbr tbt tbu th- tha thb thh thl tho thr tht thu tla tlh tll tlo tlr tlt tlu to- toa tob toh tol too tor tot tou tra trb trh trl tro trr trt tru tta ttb tth ttl tto ttr ttt ttu tua tub tuh tul tuo tur tut tuu ua- uaa uab uah ual uao uar uat uau uba ubb ubh ubl ubo ubr ubt ubu uha uhb uhh uhl uho uhr uht uhu ula ulb ull ulo ulr ult ulu uoa uob uol uoo uor uot ur- ura urb url uro urr urt uru uta utb uth utl uto utr utt utu uua uur uut uuu