-al -ol -th a-a a-b a-i a-t aaa aab aah aai aal aao aat ab- aba abb abh abi abl abo abt aha ahb ahh ahi ahl aho aht ai- aia aib aih aii ail aio ait al- ala alb alh ali all alo alt aoa aob aoh aoi aol aoo aot at- ata atb ath ati atl ato att baa bab bah bai bal bao bat bba bbb bbh bbi bbl bbo bbt bha bhb bhh bhi bhl bho bht bi- bia bib bih bii bil bio bit bla blb blh bli bll blo blt boa bob boh boi bol boo bot bta btb bth bti btl bto btt h-i haa hab hah hai hal hao hat hba hbb hbh hbi hbl hbo hbt hha hhb hhh hhi hhl hho hht hia hib hih hii hil hio hit hla hlb hlh hli hll hlo hlt hoa hob hoh hoi hol hoo hot hta htb hth hti htl hto htt ia- iaa iab iah iai ial iao iat iba ibb ibh ibi ibl ibo ibt iha ihb ihh ihi ihl iho iht iia iib iih iii iil iio iit il- ila ilb ilh ili ill ilo ilt io- ioa iob ioh ioi iol ioo iot ita itb ith iti itl ito itt la- laa lab lah lai lal lao lat lba lbb lbh lbi lbl lbo lbt lha lhb lhh lhi lho lht lia lib lih lii lil lio lit lla llb lli lll llo llt loa lob loh loi lol loo lot lta ltb lth lti ltl lto ltt o-i oaa oab oah oai oal oao oat ob- oba obb obh obi obl obo obt oha ohh ohi ohl oho oht oia oib oii oil oio oit ola olb oli oll olo olt oo- ooa oob ooh ooi ool ooo oot ot- ota otb oth oti otl oto ott taa tab tah tai tal tao tat tba tbb tbh tbi tbl tbo tbt th- tha thb thh thi thl tho tht tia tib tih tii til tio tit tla tlh tli tll tlo tlt to- toa tob toh toi tol too tot tta ttb tth tti ttl tto ttt