-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aao aar aat aau aaw ab- aba abb abc abe abh abi abo abr abt abu abw ac- aca acb acc ace ach aci aco acr act acu acw aea aeb aec aee aeh aei aeo aer aet aeu aew aha ahb ahc ahe ahh ahi aho ahr aht ahu ahw ai- aia aib aic aie aih aii aio air ait aiu aiw aoa aob aoc aoe aoh aoi aoo aor aot aou aow ar- ara arb arc are arh ari aro arr art aru arw at- ata atb atc ate ath ati ato atr att atu atw au- aua aub auc aue auh aui auo aur aut auw aw- awa awb awc awe awh awi awo awr awt awu aww b-u baa bab bac bae bah bai bao bar bat bau baw bba bbb bbc bbe bbh bbi bbo bbr bbt bbu bbw bca bcb bcc bce bch bci bco bcr bct bcu be- bea beb bec bee beh bei beo ber bet beu bew bha bhb bhc bhe bhh bhi bho bhr bht bhu bhw bi- bia bib bic bie bih bii bio bir bit biu biw boa bob boc boe boh boi boo bor bot bou bow bra brb bre brh bri bro brr brt bru brw bta btb btc bte bth bti bto btr btt btu btw bua bub buc bue buh bui buo bur but buu buw bwa bwb bwc bwh bwi bwo bwr bwu c-- caa cab cac cae cah cai cao car cat cau caw cba cbb cbc cbe cbh cbi cbo cbr cbt cbu cbw cca ccb ccc cce cch cci cco ccr cct ccu ccw ce- cea ceb cec cee ceh cei ceo cer cet ceu cew ch- cha chb chc che chh chi cho chr cht chu chw ci- cia cib cic cie cih cii cio cir cit ciu ciw co- coa cob coc coe coh coi coo cor cot cou cow cra crb crc cre crh cri cro crr crt cru crw cta ctb ctc cte cth cti cto ctr ctt ctu ctw cua cub cuc cue cuh cui cuo cur cut cuu cuw cw- cwa cwb cwc cwe cwh cwi cwo cwr cwt cwu eaa eab eac eae eah eai eao ear eat eau eaw eba ebb ebc ebe ebh ebi ebo ebr ebt ebu ebw ec- eca ecb ecc ece ech eci eco ecr ect ecu ecw eea eeb eec eee eeo eer eet eew eha ehb ehc ehe ehh ehi eho ehr eht ehu eia eib eic eie eii eio eir eit eiu eo- eoa eob eoc eoe eoh eoi eoo eor eot eou eow era erb erc ere erh eri ero err ert eru erw eta etb etc ete eth eti eto etr ett etu etw eu- eua eub euc eue eui eur eut ewa ewb ewc ewe ewi ewo ewr ewt ewu eww h-i haa hab hac hae hah hai hao har hat hau haw hba hbb hbc hbe hbh hbi hbo hbr hbt hbu hbw hca hcb hcc hce hch hci hco hcr hct hcw he- hea heb hec hee heh hei heo her het heu hew hha hhb hhc hhe hhh hhi hho hhr hht hhu hhw hia hib hic hie hih hii hio hir hit hiu hiw hoa hob hoc hoe hoh hoi hoo hor hot hou how hr- hra hrb hrc hre hrh hri hro hrr hrt hru hrw hta htb htc hte hth hti hto htr htt htw hua hub huc hue huh hui huo hur hut huu huw hw- hwa hwb hwe hwi hwo hwr hwt hwu hww ia- iaa iab iac iae iah iai iao iar iat iau iaw iba ibb ibc ibe ibh ibi ibo ibr ibt ibu ibw ica icb icc ice ich ici ico icr ict icu icw ie- iea iec iee iei ier iet iha ihb ihc ihe ihh ihi iho ihr iht ihu iia iib iic iie iih iii iio iir iit iiu iiw io- ioa iob ioc ioe ioh ioi ioo ior iot iou iow ir- ira irb irc ire iri iro irr irt iru ita itb itc ite ith iti ito itt itu iu- iua iub iuc iue iui iur iut iwa iwb iwc iwe iwi iwo iwr iwt iwu iww o-i oaa oab oac oae oah oai oao oar oat oau oaw ob- oba obb obc obe obh obi obo obr obt obu obw oc- oca ocb occ och oci oco ocr oct ocu ocw oea oeb oec oee oeh oei oeo oer oet oha ohc ohe ohh ohi oho ohr oht ohu oia oib oic oie oii oio oir oit oiu oo- ooa oob ooc ooh ooi ooo oor oot oow or- ora orb orc ore orh ori oro orr ort oru ot- ota otb otc ote oth oti oto otr ott otu otw ou- oua ouc oue ouh oui ouo our out owa owb owc owe owh owi owo owt owu oww ra- raa rab rac rae rah rai rao rar rat rau raw rba rbb rbc rbe rbh rbi rbo rbr rbt rbu rbw rca rcb rcc rce rch rci rco rcr rct rcu rcw re- rea reb rec ree reh rei reo rer ret reu rew rh- rha rhb rhc rhe rhh rhi rho rhr rht rhu ria rib ric rie rih rii rio rir rit roa rob roc roe roh roi roo ror rot rou row rra rrb rrc rrh rri rrr rrt rru rta rtb rtc rte rti rto rtr rtt rtu rtw rua rub ruc rue ruh rui ruo rur rut ruu rwa rwb rwc rwe rwh rwi rwr rwu taa tab tac tae tah tai tao tar tat tau taw tba tbb tbc tbe tbh tbi tbo tbr tbt tbu tca tcb tcc tce tch tci tco tcr tct tcu tcw te- tea teb tec tee teh tei teo ter tet teu tew th- tha thb thc