-er -th a-a a-b a-i a-t aaa aab aae aah aai aao aar aat aau ab- aba abb abe abh abi abo abr abt abu aea aeb aee aeh aei aeo aer aet aeu aha ahb ahe ahh ahi aho ahr aht ahu ai- aia aib aie aih aii aio air ait aiu aoa aob aoe aoh aoi aoo aor aot aou ar- ara arb are arh ari aro arr art aru at- ata atb ate ath ati ato atr att atu au- aua aub aue auh aui auo aur aut b-u baa bab bae bah bai bao bar bat bau bba bbb bbe bbh bbi bbo bbr bbt bbu be- bea beb bee beh bei beo ber bet beu bha bhb bhe bhh bhi bho bhr bht bhu bi- bia bib bie bih bii bio bir bit biu boa bob boe boh boi boo bor bot bou bra brb bre brh bri bro brr brt bru bta btb bte bth bti bto btr btt btu bua bub bue buh bui buo bur but buu eaa eab eae eah eai eao ear eat eau eba ebb ebe ebh ebi ebo ebr ebt ebu eea eeb eee eeo eer eet eha ehb ehe ehh ehi eho ehr eht ehu eia eib eie eii eio eir eit eiu eo- eoa eob eoe eoh eoi eoo eor eot eou era erb ere erh eri ero err ert eru eta etb ete eth eti eto etr ett etu eu- eua eub eue eui eur eut h-i haa hab hae hah hai hao har hat hau hba hbb hbe hbh hbi hbo hbr hbt hbu he- hea heb hee heh hei heo her het heu hha hhb hhe hhh hhi hho hhr hht hhu hia hib hie hih hii hio hir hit hiu hoa hob hoe hoh hoi hoo hor hot hou hr- hra hrb hre hrh hri hro hrr hrt hru hta htb hte hth hti hto htr htt hua hub hue huh hui huo hur hut huu ia- iaa iab iae iah iai iao iar iat iau iba ibb ibe ibh ibi ibo ibr ibt ibu ie- iea iee iei ier iet iha ihb ihe ihh ihi iho ihr iht ihu iia iib iie iih iii iio iir iit iiu io- ioa iob ioe ioh ioi ioo ior iot iou ir- ira irb ire iri iro irr irt iru ita itb ite ith iti ito itt itu iu- iua iub iue iui iur iut o-i oaa oab oae oah oai oao oar oat oau ob- oba obb obe obh obi obo obr obt obu oea oeb oee oeh oei oeo oer oet oha ohe ohh ohi oho ohr oht ohu oia oib oie oii oio oir oit oiu oo- ooa oob ooh ooi ooo oor oot or- ora orb ore orh ori oro orr ort oru ot- ota otb ote oth oti oto otr ott otu ou- oua oue ouh oui ouo our out ra- raa rab rae rah rai rao rar rat rau rba rbb rbe rbh rbi rbo rbr rbt rbu re- rea reb ree reh rei reo rer ret reu rh- rha rhb rhe rhh rhi rho rhr rht rhu ria rib rie rih rii rio rir rit roa rob roe roh roi roo ror rot rou rra rrb rrh rri rrr rrt rru rta rtb rte rti rto rtr rtt rtu rua rub rue ruh rui ruo rur rut ruu taa tab tae tah tai tao tar tat tau tba tbb tbe tbh tbi tbo tbr tbt tbu te- tea teb tee teh tei teo ter tet teu th- tha thb the thh thi tho thr tht thu tia tib tie tih tii tio tir tit tiu to- toa tob toe toh toi too tor tot tou tra trb tre trh tri tro trr trt tru tta ttb tte tth tti tto ttr ttt ttu tua tub tue tuh tui tuo tur tut tuu ua- uaa uab uae uah uai uao uar uat uau uba ubb ube ubh ubi ubo ubr ubt ubu uea ueb uee ueh uei uer uet uha uhb uhe uhh uhi uho uhr uht uhu uia uib uie uii uio uir uit uiu uoa uob uoe uoo uor uot ur- ura urb ure uri uro urr urt uru uta utb ute uth uti uto utr utt utu uua uue uur uut uuu